Granted Patent
Utility
US 4,929,002 · App. 07/336,661
Device for coupling a hose to a pipe
Inventor:
Heinz Sauer
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Apr 11, 1989
Inventor
Heinz Sauer
Assignee (at issue)
Rasmussen GmbH
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.