Patent Assignment
Reel/Frame 003884/0916
Assignment of Assignors Interest.
Recorded: 1981-07-27
Pages: 1
Assignor
DEMERS HARLAN J.
Executed: 1980-03-18
Assignee
KOPPERS COMPANY, INC.
KOPPERS BLDG., A CORP. OF DE, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Connector and Imperforate Reinforcement Plates in Combination
Patent:
4,299,511 →
Application:
06/134,560 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Security Agreement
Jan 14, 1998
From: KOPPERS INDUSTRIES, INC.
To: MELLON BANK, N.A.
Reel/Frame 008869/0926 →