Granted Patent
Utility
US 4,447,378 · App. 06/426,319
Method of producing a composite foam wire reinforced hose
Inventors:
Herbert W. Gray, Roger A. Payne
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Sep 29, 1982
Inventors
Herbert W. Gray
Roger A. Payne
Assignee (at issue)
The Gates 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.