Granted Patent
Utility
US 5,453,048 · App. 08/229,572
Coupling assembly
Inventors:
Leonard C. Zima, Timothy P. Seel
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Apr 19, 1994
Inventors
Leonard C. Zima
Timothy P. Seel
Assignee (at issue)
Roberts Gordon 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.