Granted Patent
Utility
US 4,563,789 · App. 06/602,174
Hose end holder
Inventor:
Robert C. Berfield
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Apr 19, 1984
Inventor
Robert C. Berfield
Assignee (at issue)
SHOP VAC CORPORATION
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.