Granted Patent
Utility
US 4,285,755 · App. 06/075,904
Adhesive composition and method
Inventors:
Gerhardt Piestert, Heinz G. Gilch
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Sep 17, 1979
Inventors
Gerhardt Piestert
Heinz G. Gilch
Assignee (at issue)
USM Holding 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.