Granted Patent
Utility
US 5,259,277 · App. 07/912,843
Electrically insulating composite hand tool
Inventor:
Gregory A. Zurbuchen
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Jul 13, 1992
Inventor
Gregory A. Zurbuchen
Assignee (at issue)
Snap-on Tools Company
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.