Granted Patent
Utility
US 4,306,591 · App. 06/126,253
Hose with improved resistance to deformation, and method
Inventor:
Robert B. Arterburn
Patented Case
View Patent ↗
Granted: Dec 22, 1981
Filed: Mar 3, 1980
Inventor
Robert B. Arterburn
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.