Granted Patent
Utility
US 5,690,545 · App. 08/695,644
Motorized rotary tool having a head mounted by a pivotal joint
Inventors:
Earl R. Clowers, Steve Harry Plume, John C. Smith
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Aug 12, 1996
Inventors
Earl R. Clowers
Steve Harry Plume
John C. Smith
Assignee (at issue)
Porter-Cable Corporation
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.