Granted Patent
Utility
US 4,859,110 · App. 07/247,167
Automatic coupling device
Inventor:
Philip J. Dommel
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Sep 21, 1988
Inventor
Philip J. Dommel
Assignee (at issue)
Neapco Holdings LLC
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.