Patent Assignment
Reel/Frame 005075/0929
Assignment of Assignors Interest.
Recorded: 1989-04-13
Pages: 2
Assignor
KOPPERS COMPANY, INC., A DE. CORP.
Executed: 1989-01-16
Assignee
KOP-COAT, INC., A CORP. OF DE.
1800 KOPPERS BUILDING, PITTSBURGH, PENNSYLVANIA, 15219
Covered Properties
(7)
Wood Preservative Containing Alkali Metal Cyanides
Patent:
3,993,752 →
Application:
04/848,336 →
Esthetic Wood Product
Patent:
3,695,920 →
Application:
05/030,349 →
Primer for Treating Metal Surfaces
Patent:
3,884,851 →
Application:
05/255,128 →
Aesthetic Wood Product
Patent:
3,839,073 →
Application:
05/280,075 →
Iron Stain Inhibitors
Patent:
3,850,683 →
Application:
05/369,222 →
Rubberized Coal Tar Pitch Emulsion
Patent:
4,222,916 →
Application:
05/955,714 →
Water Repellent Aqueous Wood Treating Solutions
Patent:
4,335,109 →
Application:
06/216,123 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 22, 1982
From: HILL, ROBERT E.
To: KOPPERS COMPANY, INC., A CORP.OF DE
Reel/Frame 003954/0667 →
Security Interest
Oct 17, 1988
From: KOP-COAT, INC.
To: PITTSBURGH NATIONAL BANK, A NATIONAL BANKING ASSOCIATION
Reel/Frame 004963/0912 →
Assignment of Assignors Interest.
Feb 21, 1990
From: KOP-COAT, INC. (MERGED INTO); WCG, INC. (CHANGED TO)
To: KOP-COAT, INC., A CORP. OF DE
Reel/Frame 005238/0944 →