Patent Assignment
Reel/Frame 003860/0156
Assignment of Assignors Interest.
Recorded: 1981-01-12
Pages: 2
Assignee
SUPERIOR CONCRETE ACCESSORIES, INC., A CORP. OF DE.
SAN DIEGO, CALIFORNIA
Covered Property
(1)
Pickup Unit for Releasable Connection to a Partially Embedded Member
Patent:
4,368,914 →
Application:
06/224,324 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Nov 6, 1997
From: DAYTON SUPERIOR CORPORATION
To: BANK ONE, N.A.
Reel/Frame 008783/0319 →
Security Interest
Aug 14, 2000
From: DAYTON SUPERIOR CORPORATION
To: BANKERS TRUST COMPANY
Reel/Frame 011044/0959 →
Release of Security Interest in Patents
Jan 18, 2008
From: BANK ONE, N.A.
To: DAYTON SUPERIOR CORPORATION
Reel/Frame 020385/0292 →