Granted Patent
Utility
US 4,524,652 · App. 06/608,470
Ratchet wrench of the socket drive type with socket ejector
Inventors:
Kenneth G. Wenzel, Jerry R. Duke
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: May 9, 1984
Inventors
Kenneth G. Wenzel
Jerry R. Duke
Assignee (at issue)
Thorsen Tool 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.