Granted Patent
Utility
US 4,410,060 · App. 06/321,592
Power-assisted velocipede
Inventor:
Joel C. Cunard
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Nov 16, 1981
Inventor
Joel C. Cunard
Assignee (at issue)
Brown Group Recreational Products, 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.