Patent Assignment
Reel/Frame 003836/0173
Assignment of Assignors Interest.
Recorded: 1981-03-02
Pages: 2
Assignor
VARIAN ASSOCIATES, INC.
Executed: 1981-02-20
Assignee
FERROFLUIDICS CORPORATION, A CORP. OF MA.
MASSACHUSETTS
Covered Properties
(2)
Diameter Control in Crystal Rod Pulling
Patent:
4,207,293 →
Application:
05/857,331 →
Chain Introduction Means for a Crystal Growth Pulling Head
Patent:
4,301,120 →
Application:
06/183,540 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 20, 1980
From: SIBELY CLIFTON B.
To: VARIAN ASSOCIATES, INC., A CORP. OF DE
Reel/Frame 003811/0515 →
Security Interest
Oct 18, 1990
From: FERROFLUIDICS CORPORATION, A CORP MA
To: FLEET NATIONAL BANK
Reel/Frame 005481/0243 →
Assignment of Assignor's Interest
May 24, 1999
From: FERROFLUIDICS CORPORATION
To: GENERAL SIGNAL TECHNOLOGY CORPORATION
Reel/Frame 009968/0884 →