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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : SIEGWART, DAVID K.
Total Assignments: 9
Assignment: 1
Reel/Frame:009699/0554   Pages: 2
Recorded: 01/08/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIEGWART, DAVID K.
Exec Dt:
04/02/1998
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6460035
NONE
09227253
Correspondence name and address
RONALD L. DRUMHELLER, ESQ.
94 TEAKETTLE SPOUT ROAD
MAHOPAC, NEW YORK 10541
Assignment: 2
Reel/Frame:018125/0292   Pages: 4
Recorded: 08/15/2006
Attorney Dkt #:YOR920060189US1 (19718)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIEGWART, DAVID K.
Exec Dt:
08/08/2006
2
HIRZEL, MARTIN
Exec Dt:
08/08/2006
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080005520
11450946
Correspondence name and address
STEVEN FISCHMAN
SCULLY, SCOTT, MURPHY & PRESSER, P.C.
400 GARDEN CITY PLAZA - SUITE 300
GARDEN CITY, NY 11530
Assignment: 3
Reel/Frame:027434/0471   Pages: 3
Recorded: 12/22/2011
Attorney Dkt #:GB920110099US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIEGWART, DAVID K.
Exec Dt:
12/21/2011
2
SIVARAM, RAJINI
Exec Dt:
12/21/2011
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8854952
US20130163408
13334862
Correspondence name and address
IBM CORP - ENDICOTT DRAFTING CENTER
1701 NORTH STREET
BUILDING 40-3
ENDICOTT, NY 13760
Assignment: 4
Reel/Frame:027680/0054   Pages: 8
Recorded: 02/09/2012
Attorney Dkt #:GB920100081US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEVINE, FRANK E.
Exec Dt:
02/06/2012
2
PINEDA, ENIO M.
Exec Dt:
02/06/2012
3
SIEGWART, DAVID K.
Exec Dt:
02/08/2012
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120180057
13340486
Correspondence name and address
WAYNE P. BAILEY
YEE & ASSOCIATES, P.C.
P.O. BOX 802333
DALLAS, TX 75380
Assignment: 5
Reel/Frame:035032/0807   Pages: 6
Recorded: 02/18/2015
Attorney Dkt #:GB920140158US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KILNER, MATTHEW R.
Exec Dt:
02/18/2015
2
SIEGWART, DAVID K.
Exec Dt:
02/13/2015
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9760288
US20160239216
14624990
Correspondence name and address
IBM CORPORATION - ENDICOTT DRAFTING CENT
3039 CORNWALLIS ROAD
PO BOX 12195, DEPT T81/503
RESEARCH TRIANGLE PA, NC 27709
Assignment: 6
Reel/Frame:036382/0529   Pages: 6
Recorded: 08/20/2015
Attorney Dkt #:GB920140158US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KILNER, MATTHEW R.
Exec Dt:
02/18/2015
2
SIEGWART, DAVID K.
Exec Dt:
02/13/2015
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9766815
US20160239217
14831256
Correspondence name and address
IBM CORPORATION - ENDICOTT DRAFTING CENT
3039 CORNWALLIS ROAD
PO BOX 12195, DEPT T81/503
RESEARCH TRIANGLE PA, NC 27709
Assignment: 7
Reel/Frame:043195/0294   Pages: 6
Recorded: 08/04/2017
Attorney Dkt #:GB920140158US03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KILNER, MATTHEW R.
Exec Dt:
02/18/2015
2
SIEGWART, DAVID K.
Exec Dt:
02/13/2015
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10467086
US20170329663
15668733
Correspondence name and address
IBM CORPORATION - ENDICOTT DRAFTING CENT
1701 NORTH STREET
BUILDING 256-3
ENDICOTT, NY 13760
Assignment: 8
Reel/Frame:040310/0295   Pages: 8
Recorded: 11/14/2016
Attorney Dkt #:CA920160125US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIELSTRA, ALLAN H.
Exec Dt:
11/04/2016
2
SHAHIN, RAMY
Exec Dt:
11/08/2016
3
SIEGWART, DAVID K.
Exec Dt:
11/07/2016
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10248554
US20180137039
15350203
Correspondence name and address
CANTOR COLBURN LLP-IBM POUGHKEEPSIE
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 9
Reel/Frame:047168/0464   Pages: 5
Recorded: 10/15/2018
Attorney Dkt #:CA820160448US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIEGWART, DAVID K.
Exec Dt:
10/15/2018
2
KIELSTRA, ALLAN H.
Exec Dt:
10/12/2018
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10678557
US20200117469
16160427
Correspondence name and address
HESLIN ROTHENBERG FARLEY & MESITI P.C.
5 COLUMBIA CIRCLE
ALBANY, NY 12203

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