Patent Assignment
Reel/Frame 003814/0437
Assignment of Assignors Interest.
Recorded: 1980-12-12
Pages: 1
Assignor
BYER RICHARD J.
Executed: 1980-09-02
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DEL
WILMINGTON, DELAWARE
Covered Property
(1)
Method for Producing a Long Scale Direct-Positive Photographic Emulsion
Patent:
4,370,411 →
Application:
06/186,291 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.