Granted Patent
Utility
US 4,597,496 · App. 06/441,608
Frictional grip tool holder
Inventor:
Steve E. Kaplan
Patented Case
View Patent ↗
Granted: Jul 1, 1986
Filed: Nov 15, 1982
Inventor
Steve E. Kaplan
Assignee (at issue)
Pioneer Products, 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.