Patent Assignment
Reel/Frame 004732/0720
Assignment of Assignors Interest.
Recorded: 1987-06-23
Pages: 1
Assignor
LI, CHAN E.
Executed: 1987-06-23
Assignee
Covered Property
(1)
Echo Canceller with Relative Feedback Control
Patent:
4,845,746 →
Application:
07/065,489 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 8, 1991
From: ROCKWELL INTERNATIONAL CORPORATION, A DE CORP.
To: CHARLES INDUSTRIES, LTD., A CORP. OF IL
Reel/Frame 005594/0701 →
Security Interest
Mar 2, 1993
From: CHARLES INDUSTRIES, LTD.
To: LASALLE NATIONAL BANK
Reel/Frame 006611/0216 →
Release of Security Interest
May 19, 1995
From: LASALLE NATIONAL BANK
To: CHARLES INDUSTRIES, LTD.
Reel/Frame 007467/0624 →