Granted Patent
Utility
US 5,445,030 · App. 08/132,749
Spherical coupling
Inventor:
Terry Lee Hagen
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Oct 6, 1993
Inventor
Terry Lee Hagen
Assignee (at issue)
Wyle Laboratories, Inc.
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.