Patent Assignment
Reel/Frame 004232/0712
Assignment of Assignors Interest.
Recorded: 1984-02-17
Pages: 5
Assignors
GEHLKE, SCOTT J. S.
Executed: 1984-02-06
YOST, MICHAEL G.
Executed: 1984-02-06
STEINMAN, ARNOLD J.
Executed: 1984-02-06
Assignee
ION SYSTEMS, INC., A CORP. OF CA
2546 TENTH ST., BERKELEY, CALIFORNIA, 94710
Covered Property
(1)
Method and Apparatus for Sequenced Bipolar Air Ionization
Patent:
4,542,434 →
Application:
06/581,421 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Mar 22, 2002
From: ION SYSTEMS, INC.
To: COMERICA BANK-CALIFORNIA
Reel/Frame 012745/0541 →
Release
Nov 14, 2003
From: SILICON VALLEY BANK
To: COMERICA BANK-CALIFORNIA
Reel/Frame 014709/0018 →
Security Interest
Jan 20, 2004
From: ION SYSTEMS, INC
To: SILICON VALLEY BANK
Reel/Frame 014901/0644 →
Release of Security Interest
Nov 28, 2005
From: SILICON VALLEY BANK
To: ION SYSTEMS, INC.
Reel/Frame 017262/0965 →