Patent Assignment
Reel/Frame 004053/0851
Assignment of Assignors Interest.
Recorded: 1982-10-07
Pages: 1
Assignor
HOLTJE, WILFRIED G.
Executed: 1982-08-04
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE.
WILMINGTON,, DELAWARE
Covered Property
(1)
Light Stable Quinacridonequinone Pigments
Patent:
4,426,231 →
Application:
06/407,644 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.