Patent Assignment
Reel/Frame 012145/0122
Assignment of Assignor's Interest
Recorded: 2001-09-10
Pages: 4
Assignors
SMITH, DONALDS K.
Executed: 1995-10-16
MCVEY, BRIAN D.
Executed: 1995-09-22
RAMERIZ, RICHARD A.
Executed: 1995-10-16
Assignee
APPLIED SCIENCE AND TECHNOLOGY, INC.
90 INDUSTRIAL WAY, WILMINGTON, MASSACHUSETTS, 01887
Covered Property
(1)
Automatic Impedance Matching Apparatus and Method
Patent:
5,621,331 →
Application:
08/500,411 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 26, 1995
From: SMITH, DONALD K.; MCVEY, BRIAN D.; RAMERIZ, RICHARD A.
To: APPLIED SCIENCE AND TECHNOLOGY, INC.
Reel/Frame 007686/0297 →
Assignment of Assignor's Interest
Jul 1, 2005
From: APPLIED SCIENCE AND TECHNOLOGY, INC.
To: MKS INSTRUMENTS, INC.
Reel/Frame 016700/0252 →