IP Library › Assignment 004422/0714
Patent Assignment
Reel/Frame 004422/0714

Assignment of Assignors Interest.

Recorded: 1985-04-03 Pages: 2
Assignors
DRAGE, DAVID J.
Executed: 1985-03-20
SAFI, TOUFIC
Executed: 1985-03-19
Assignee
TEGAL CORPORATION
A CORP OF CA, NOVATO, CALIFORNIA
Covered Property (1)
Silicon Trench Etch
Patent: 4,857,138 →
Application: 06/719,783 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Aug 9, 1990
From: TEGAL CORPORATION, A CORP. OF DE
To: MOTOROLA, INC., A DE CORP.
Reel/Frame 005439/0781 →