IP Library Assignment 004152/0773
Patent Assignment
Reel/Frame 004152/0773

Assignment of Assignors Interest. Effective Dec. 31, 1981

Recorded: 1983-07-21 Pages: 3
Covered Property (1)
Apparatus for Erecting Concrete Wall Panels
Patent: 4,417,425 →
Application: 05/767,880 →
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Apr 6, 1981
From: RUPPERT, RICHARD L.; MANNING, LINDLEY; CASE JAMES E.
To: SUPERIOR CONCRETE ACCESSORIES, INC.
Reel/Frame 003843/0375 →
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 →