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Patent Assignment Abstract of Title
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Total Assignments: 10
Patent #:
5008810
Issue Dt:
04/16/1991
Application #:
07251514
Filing Dt:
09/29/1988
Inventors:
WILLIAM C. KESSEL, JOHN L. LACLAIRE, ANDREW L. LUI, MICHAEL H. LOCKE, HERBERT I. BRITT
Title:
SYSTEM FOR DISPLAYING DIFFERENT SUBSETS OF SCREEN VIEWS, ENTERING DIFFERENT AMOUNT OF INFORMATION, AND DETERMINING CORRECTNESS OF INPUT DEPENDENT UPON CURRENT USER INPUT
Assignment: 1
Reel/Frame:
006467/0466Recorded: 02/16/1993Pages: 4
Conveyance:
RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
SHAWMUT BANK, N.A.
Exec Dt:
02/08/1983
Assignee:
PROCESS MODELING INVESTMENT CORP.
300 DELAWARE AVE., STE. 1704
WILMINGTON, DELAWARE 19801
Correspondent:
ROBERTA DIGNAN ROBINSON
GOODWIN PROCTER & HOAR
EXCHANGE PLACE
BOSTON, MA 02109
Assignment: 2
Reel/Frame:
004944/0597Recorded: 09/29/1988Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
KESSEL, WILLIAM C.
Exec Dt:
09/28/1988
LACLAIRE, JOHN L.
Exec Dt:
09/28/1988
LUI, ANDREW L.
Exec Dt:
09/28/1988
LOCKE, MICHAEL H.
Exec Dt:
09/28/1988
BRITT, HERBERT I.
Exec Dt:
09/28/1988
Assignee:
ASPEN TECHNOLOGY, INC., A CORP. OF MA
251 VASSAR STREET
CAMBRIDGE, MASSACHUSETTS 02139
Correspondent:
MARY LOU WAKIMURA
HAMILTON, BROOK, SMITH & REYNOLDS
TWO MILITIA DRIVE
LEXINGTON, MA 02173
Assignment: 3
Reel/Frame:
005454/0876Recorded: 10/01/1990Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
ASPEN TECHNOLOGY INC.
Exec Dt:
09/25/1990
Assignee:
PROCESS MODELING INVESTMENT CORP.
300 DELWARE AVENUE STE. 514, A DE CORP.
WILMINGTON, DELAWARE 19801
Correspondent:
MARY LOU WAKIMURA
HAMILTON, BROOK, SMITH & REYNOLDS
TWO MILITIA DRIVE
LEXINGTON, MA 02173
Assignment: 4
Reel/Frame:
005824/0768Recorded: 09/04/1991Pages: 10
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
PROCESS MODELING INVESTMENT CORPORATION, A DE CORP.
Exec Dt:
08/27/1991
Assignees:
SHAWMUT BANK, N.A., NATIONAL BANKING ASSOCIATION
ONE FEDERAL STREET
BOSTON, MASSACHUSETTS 02211
ASPEN TECHNOLOGY, INC., A CORP. OF MA
251 VASSAR STREET
CAMBRIDGE, MASSACHUSETTS 02139
Correspondent:
STANLEY SACKS
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTA AVENUE
BOSTON, MA 02210
Assignment: 5
Reel/Frame:
006406/0442Recorded: 02/01/1993Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
PROCESS MODELING INVESTMENT CORPORATION
Exec Dt:
01/28/1993
Assignee:
FLEET BANK OF MASSACHUSETTS, N.A.
28 STATE STREET
BOSTON, MASSACHUSETTS 02110
Correspondent:
ROBERTA DIGNAN ROBINSON
GOODWIN, PROCTER & HOAR
EXCHANGE PLACE
BOSTON, MA 02109
Assignment: 6
Reel/Frame:
006484/0249Recorded: 04/12/1993Pages: 6
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
PROCESS MODELING INVESTMENT CORPORATION
Exec Dt:
03/19/1993
Assignee:
MASSACHUSETTS CAPITAL RESOURCE COMPANY
420 BOYLSTON STREET
BOSTON, MASSACHUSETTS 02116
Correspondent:
DOUGLAS J. KLINE
PATENT ADMINISTRATOR
TESTA, HURWITZ & THIBEAULT
EXCHANGE PLACE 53 STATE STREET
BOSTON, MA 02109
Assignment: 7
Reel/Frame:
007112/0947Recorded: 09/12/1994Pages: 7
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
PROCESS MODELING INVESTMENT CORPORATION
Exec Dt:
08/22/1994
Assignee:
MASSACHUSETTS CAPITAL RESOURCE COMPANY
420 BOYLSTON ST.
BOSTON, MASSACHUSETTS 02116
Correspondent:
DAVID J. BYER
TESTA, HURWITZ & THIBEAULT
53 STATE ST.
BOSTON, MA 02109
Assignment: 8
Reel/Frame:
007824/0324Recorded: 02/20/1996Pages: 15
Conveyance:
PATENT CONDITIONAL ASSIGNMENT AND SECURITY AGREEMENT
Assignor:
PROCESS MODELING INVESTMENT CORPORATION
Exec Dt:
02/06/1996
Assignee:
FLEET BANK OF MASSACHUSETTS, N.A.
ATTN: THOMAS W. DAVIES, V.P.
75 STATE STREET
BOSTON, MASSACHUSETTS 02109
Correspondent:
GOODWIN, PROCTER & HOAR
ELIZABETH Z. STAVISKY, ESQ.
EXCHANGE PLACE
53 STATE STREET, 24TH FLOOR
BOSTON, MA 02109
Assignment: 9
Reel/Frame:
011763/0925Recorded: 05/07/2001Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
PROCESS MODELING INVESTMENT CORP.
Exec Dt:
06/22/1999
Assignee:
ASPEN TECHNOLOGY, INC.
10 CANAL PARK
CAMBRIDGE, MASSACHUSETTS 02141
Correspondent:
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
MARY LOU WAKIMURA, ESQ.
TWO MILITIA DRIVE
LEXINGTON, MA 02421-4799
Assignment: 10
Reel/Frame:
061006/0171Recorded: 07/29/2022Pages: 9
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
ASPEN TECHNOLOGY, INC.
Exec Dt:
05/16/2022
Assignee:
ASPENTECH CORPORATION
20 CROSBY DRIVE
BEDFORD, MASSACHUSETTS 01730
Correspondent:
MARY LOU WAKIMURA
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
530 VIRGINIA ROAD, P.O. BOX 9133
CONCORD, MA 01742-9133

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