Granted Patent
Utility
US 4,350,715 · App. 06/224,824
Plastic fat based material and products therefrom
Inventor:
Johannes H. M. Rek
Patented Case
View Patent ↗
Granted: Sep 21, 1982
Filed: Jan 13, 1981
Inventor
Johannes H. M. Rek
Assignee (at issue)
Internationale Otrool Maatschappij Octropa B.V.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.