Granted Patent
Utility
US 5,328,290 · App. 08/046,844
Coupling arrangement for cylindrical members
Inventor:
Armando N. Plastina
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Apr 14, 1993
Inventor
Armando N. Plastina
Assignee (at issue)
Bel-Art Products
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.