Granted Patent
Utility
US 4,669,907 · App. 06/848,327
Industrial swivel
Inventor:
Jerry Patton
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Apr 3, 1986
Inventor
Jerry Patton
Assignee (at issue)
The Crosby Group 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.