Granted Patent
Utility
US 5,169,315 · App. 07/880,881
Material holding apparatus with integrated finger mount and cap
Inventor:
Charles L. Bull
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: May 8, 1992
Inventor
Charles L. Bull
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.