Granted Patent
Utility
US 5,327,963 · App. 07/784,837
Tubular coupling device
Inventors:
James C. Vance, Sr., Roy G. Quinlan
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Oct 30, 1991
Inventors
James C. Vance, Sr.
Roy G. Quinlan
Assignee (at issue)
The Gates Rubber 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.