skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : DUCHEK, JOHN R.
Total Assignments: 5
Assignment: 1
Reel/Frame:006180/0109   Pages: 2
Recorded: 06/16/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/12/1992
Assignee
1
16305 SWINGLEY RIDGE RD.
A CORP. OF DE
CHESTERFIELD, MISSOURI 63017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07899291
Correspondence name and address
GEORGE R. REPPER
ROTHWELL, FIGG, ERNST & KURZ
555 13TH ST., N.W., STE. 701E
WASHINGTON, DC 20004
Assignment: 2
Reel/Frame:011418/0950   Pages: 6
Recorded: 12/06/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/14/1999
2
Exec Dt:
06/14/1999
3
Exec Dt:
06/14/1999
Assignee
1
P.O. BOX 5840
675 MCDONNELL BOULEVARD
ST. LOUIS, MISSOURI 63134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09719033
Correspondence name and address
MALLINCKRODT INC.
JEFFREY S. BOONE
675 MCDONNELL BOULEVARD
ST. LOUIS, MO 63134
Assignment: 3
Reel/Frame:016768/0738   Pages: 11
Recorded: 11/11/2005
Attorney Dkt #:1559 WO/US ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/16/2003
2
Exec Dt:
06/17/2003
3
Exec Dt:
06/02/2003
Assignee
1
675 MCDONNELL BOULEVARD
P.O. BOX 5840
ST. LOUIS, MISSOURI 63134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10549976
Correspondence name and address
CHRISTINE M. REBMAN
675 MCDONNELL BOULEVARD
P.O. BOX 5840
ST. LOUIS, MO 63134
Assignment: 4
Reel/Frame:016724/0215   Pages: 10
Recorded: 09/02/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/17/2003
2
Exec Dt:
06/17/2003
3
Exec Dt:
06/17/2003
Assignee
1
675 MCDONNELL BOULEVARD
P.O. BOX 5840
ST. LOUIS, MISSOURI 63134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10549976
Correspondence name and address
CHRISTINE M. REBMAN
675 MCDONNELL BOULEVARD
P.O. BOX 5840
ST. LOUIS, MISSOURI 63134
Assignment: 5
Reel/Frame:021062/0890   Pages: 11
Recorded: 06/09/2008
Attorney Dkt #:H-MP-00012 US ASG PHARMA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/06/2007
2
Exec Dt:
11/05/2007
3
Exec Dt:
11/06/2007
Assignee
1
675 MCDONNELL BOULEVARD
HAZELWOOD, MISSOURI 63042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12096624
Correspondence name and address
MALLINCKRODT INC.
675 MCDONNELL BOULEVARD
HAZELWOOD, MO 63042

Search Results as of: 05/24/2024 11:26 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT