Granted Patent
Utility
US 5,697,689 · App. 08/104,214
Rotary switch indicator including horseshoe light guide
Inventors:
Mark Levine, William T. Holmes
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Aug 9, 1993
Inventors
Mark Levine
William T. Holmes
Assignee (at issue)
General Automotive Specialty Co., 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.