Patent Assignment
Reel/Frame 004428/0049
Assignment of Assignors Interest.
Recorded: 1985-07-15
Pages: 1
Assignee
ETHYL CORPORATION, A CORP. OF VIRGINIA
RICHMOND, VIRGINIA
Covered Property
(1)
Laminated, Seamless, Cylindrical Metal Screen for Vacuum Perforation of Thermoplastic Film
Patent:
4,543,299 →
Application:
06/534,359 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jan 16, 1990
From: ETHYL CORPORATION
To: TREDEGAR INDUSTRIES, INC.
Reel/Frame 005270/0412 →
Change of Name
Oct 12, 1999
From: TREDEGAR INDUSTRIES, INC.
To: TREDEGAR CORPORATION
Reel/Frame 010270/0576 →
Assignment of Assignor's Interest
Dec 15, 2000
From: TREDEGAR CORPORATION (A VIRGINIA CORPORATION)
To: TREDEGAR FILM PRODUCTS CORPORATION (A VIRGINIA CORPORATION)
Reel/Frame 011354/0005 →