Patent Assignment
Reel/Frame 004831/0107
Assignment of Assignors Interest.
Recorded: 1988-02-22
Pages: 1
Assignor
DEMERS, HARLAN J.
Executed: 1981-05-04
Assignee
KOPPERS COMPANY, INC., KOPPERS BUILDING, A CORP. OF DE.
PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Concealed Load Distribution Means for Wooden Beams
Patent:
4,742,663 →
Application:
06/261,593 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 21, 1986
From: KOPPERS COMPANY, INC.,
To: ENGINEERED WOOD SYSTEMS, INC., LOUISVILLE, KY. A CORP. OF KY.
Reel/Frame 004674/0649 →
Assignment of Assignors Interest.
Feb 16, 1989
From: KOPPERS COMPANY, INC.
To: KOPPERS INDUSTRIES, INC., A CORP. OF PA
Reel/Frame 005126/0140 →
Security Interest
Feb 27, 1989
From: KOPPERS INDUSTRIES, INC.
To: KOPPERS AND MELLON BANK, N.A.
Reel/Frame 005026/0517 →
Assignment of Assignor's Interest
Feb 17, 1994
From: MELLON BANK, N.A.
To: KOPPERS INDUSTRIES, INC.
Reel/Frame 006875/0231 →