Patent Assignment
Reel/Frame 004223/0328
Assignment of Assignors Interest.
Recorded: 1983-12-22
Pages: 1
Assignor
JOHNSTON, JOSEPH G.
Executed: 1983-12-19
Assignee
Covered Property
(1)
Dead Time Compensation Circuit for Radiation Detector
Patent:
4,617,680 →
Application:
06/564,298 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 4, 2002
From: SAINT-GOBAIN INDUSTRIAL CERAMICS, INC.
To: SAINT-GOBAIN CERAMICS & PLASTICS INC.
Reel/Frame 013563/0654 →
Change of Name
Dec 11, 2002
From: SAINT-GOBAIN/NORTON INDUSTRIAL CERAMICS CORPORATION
To: SAINT-GOBAIN INDUSTRIAL CERAMICS INC.
Reel/Frame 013563/0500 →
Merger
Dec 11, 2002
From: BICRON CORPORATION
To: SAINT GOBAIN/NORTON INDUSTRIAL CERAMICS CORPORATION
Reel/Frame 013563/0634 →