Granted Patent
Utility
US 4,898,772 · App. 07/228,246
Abhesive coating preparation and method of abhesively coating utensils
Inventors:
Manfred Priesch, Harald Rau, Christian Weitemeyer
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Aug 4, 1988
Inventors
Manfred Priesch
Harald Rau
Christian Weitemeyer
Assignee (at issue)
Th. Goldschmidt. AG
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.