Granted Patent
Utility
US 5,142,952 · App. 07/526,498
Ratchet tool
Inventors:
Gordon A. Putney, Martin S. Scolaro, Kenneth C. Happ
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: May 21, 1990
Inventors
Gordon A. Putney
Martin S. Scolaro
Kenneth C. Happ
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.