Granted Patent
Utility
US 4,548,016 · App. 06/524,511
Membrane fastener apparatus
Inventors:
Charles S. Dubich, James H. C. Yang
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Aug 18, 1983
Inventors
Charles S. Dubich
James H. C. Yang
Assignee (at issue)
The Firestone Tire & Rubber Company
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.