Granted Patent
Utility
US 6,179,748 · App. 09/249,176
Chin-up bar
Inventor:
David Barr
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Feb 9, 1999
Inventor
David Barr
Assignee (at issue)
Bollinger Industries, L.P.
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.