Granted Patent
Utility
US 4,692,049 · App. 06/743,794
Quick disengagement apparatus for power wheel mechanisms
Inventor:
James Engle
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Jun 12, 1985
Inventor
James Engle
Assignee (at issue)
Auburn Gear, LLC
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.