Patent Assignment
Reel/Frame 005761/0642
Assignment of Assignors Interest.
Recorded: 1991-03-25
Pages: 10
Assignee
OBJECT DESIGN A CORP. OF MASSACHUSETTS
ONE NEW ENGLAND EXECUTIVE PARK, BURLINGTON, MASSACHUSETTS, 01803
Covered Property
(1)
Method and Apparatus for Virtual Memory Mapping and Transaction Management in an Object-Oriented Database System
Patent:
5,426,747 →
Application:
07/674,874 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Dec 26, 1996
From: OBJECT DESIGN, INC.
To: FIRST NATIONAL BANK OF BOSTON, THE
Reel/Frame 008274/0280 →
Change of Name
May 12, 2000
From: OBJECT DESIGN, INC.
To: EXCELON CORPORATION
Reel/Frame 010795/0557 →
Assignment of Assignor's Interest
Jul 30, 2004
From: EXCELON CORPORATION
To: PROGRESS SOFTWARE CORPORATION
Reel/Frame 014920/0272 →