Patent Assignment
Reel/Frame 004049/0188
Change of Name
Recorded: 1982-09-23
Pages: 5
Assignor
READING- DORMA CLOSER CORPORATION,
Executed: 1982-07-22
Assignee
Covered Properties
(6)
Piston Assembly for Door Closer
Patent:
4,019,220 →
Application:
05/648,627 →
Temperature Compensating Hydraulic Door Closer
Patent:
4,148,111 →
Application:
05/856,133 →
Door Closer with Assist or Door Operating Features
Patent:
4,222,147 →
Application:
05/888,217 →
Door Closer with Assist or Door Operating Features
Patent:
4,339,843 →
Application:
06/153,741 →
Door Closer Assist Linkage
Application:
06/166,334 →
Air Lock Door Control Apparatus
Patent:
4,375,735 →
Application:
06/254,425 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name Effective Aug.25,1980
Oct 14, 1980
From: READING DOOR CLOSER CORP.
To: READING-DORMA CLOSER CORPORATION
Reel/Frame 003805/0570 →
Assignment of Assignors Interest.
Apr 15, 1981
From: RHOADS JAMES D.
To: READING-DORMA COSER CORPORATION, A CORP. OF PA.
Reel/Frame 003878/0718 →
Assignment of Assignor's Interest
Aug 3, 1995
From: DORMA DOOR CONTROLS, INC.
To: DORMA PROPERTIES, INC.
Reel/Frame 007570/0888 →
Confirmatory License
Sep 27, 2007
From: WASHINGTON UNIVERSITY
To: NATIONAL SCIENCE FOUNDATION
Reel/Frame 019896/0589 →
Merger
Apr 13, 2011
From: DORMA PROPERTIES, INC.
To: DORMA DOOR CONTROLS, INC.
Reel/Frame 026114/0194 →