IP Library › Assignment 004123/0161
Patent Assignment
Reel/Frame 004123/0161

Assignment of Assignors Interest.

Recorded: 1983-04-26 Pages: 2
Assignor
HALLING, HORACE P.
Executed: 1983-04-18
Assignee
PRESSURE SCIENCE INCORPORATED
11642 OLD BALTIMORE PIKE, A MD CORP., BELTSVILLE, MARYLAND, 20705
Covered Property (1)
Resilient Annular Seal with Supporting Liner
Patent: 4,553,775 →
Application: 06/488,648 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective: 3/23/87 Jul 28, 1987
From: PRESSURE SCIENCE INCORPORATED
To: EG&G PRESSURE SCIENCE, INC.
Reel/Frame 004762/0085 →
Change of Name Apr 23, 2001
From: EG & G, INC.
To: PERKINELMER, INC.
Reel/Frame 011700/0184 →
Merger Apr 23, 2001
From: EG&G PRESSURE SCIENCE, INC.
To: EG&G, INC.
Reel/Frame 011700/0617 →