Granted Patent
Utility
US 4,298,516 · App. 05/731,956
Composition of matter
Inventors:
Lynn J. Taylor, John D. Grier
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Oct 13, 1976
Inventors
Lynn J. Taylor
John D. Grier
Assignee (at issue)
Owens-Illinois Inc.
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.