IP Library Assignment 004199/0487
Patent Assignment
Reel/Frame 004199/0487

Assignment of Assignors Interest.

Recorded: 1983-12-12 Pages: 3
Assignors
FELLMANN, ROBERT P.
Executed: 1982-08-24
HURWITZ, MARVIN J.
Executed: 1982-08-24
MYERS, ROBERT M.
Executed: 1982-08-24
SLACK, GERALD F.
Executed: 1982-08-24
Assignee
ROHM AND HAAS COMPANY, A DE CORP.
INDEPENDENCE MALL WEST, PHILADELPHIA, PENNSYLVANIA, 19105
Covered Property (1)
Permanent Dental Restorative Material
Patent: 4,433,958 →
Application: 06/411,778 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 15, 1994
From: ROHM AND HAAS COMPANY
To: BRITISH TECHNOLOGY GROUP USA INC.
Reel/Frame 007061/0908 →
Change of Name Jul 28, 1998
From: BRITISH TECHNOLOGY GROUP USA INC.; BTG USA INC.
To: BTG INTERNATIONAL INC.
Reel/Frame 009350/0610 →