Granted Patent
Utility
US 6,010,349 · App. 09/090,435
Locking coupling assembly
Inventor:
Frank Kendall Porter, Jr.
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Jun 4, 1998
Inventor
Frank Kendall Porter, Jr.
Assignee (at issue)
Tensolite 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.