Granted Patent
Utility
US 4,283,073 · App. 06/082,702
Ball type gooseneck hitch
Inventors:
John J. Gostomski, Arnold R. Gostomski, Eugene F. Dauel
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Oct 9, 1979
Inventors
John J. Gostomski
Arnold R. Gostomski
Eugene F. Dauel
Assignee (at issue)
Atwood Vacuum Machine 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.