Patent Assignment
Reel/Frame 007164/0516
Assignment of Assignor's Interest
Recorded: 1994-08-31
Pages: 2
Assignee
APPLIED SCIENCE AND TECHNOLOGY, INC.
35 CABOT ROAD, WOBURN, MASSACHUSETTS, 01801
Covered Property
(1)
Ozone and Other Reactive Gas Generator Cell and System
Patent:
5,637,279 →
Application:
08/298,653 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the State of Incorporation of the Assignee, Previously Recorded on Reel 7164 Frame 0516.
Sep 10, 2001
From: BESEN, MATTHEW MARK; SMITH, DONALD K.
To: APPLIED SCIENCE AND TECHNOLOGY, INC.
Reel/Frame 012333/0418 →
Assignment of Assignor's Interest
Jul 1, 2005
From: APPLIED SCIENCE AND TECHNOLOGY, INC.
To: MKS INSTRUMENTS, INC.
Reel/Frame 016700/0252 →