Patent Assignment
Reel/Frame 007570/0888
Assignment of Assignor's Interest
Recorded: 1995-08-03
Pages: 7
Assignor
DORMA DOOR CONTROLS, INC.
Executed: 1995-07-12
Assignee
DORMA PROPERTIES, INC.
2500 W. 4TH STREET, STE. 11, 4TH STREET PLAZA, WILMINGTON, DELAWARE, 19805
Covered Properties
(4)
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 →
Hold-Open Mechanism for Use with a Door Closer
Patent:
4,878,265 →
Application:
07/241,917 →
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 →
Change of Name
Sep 23, 1982
From: READING- DORMA CLOSER CORPORATION,
To: DORMA DOOR CONTROLS INC.,
Reel/Frame 004049/0188 →
Assignment of Assignors Interest.
Sep 7, 1988
From: DAVIS, JOHN S.
To: PARAMOUNT PACKAGING CORPORATION, OAK AVENUE, CHALFONT, PA 18914, A CORP. OF DE
Reel/Frame 004934/0402 →
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 →