Granted Patent
Utility
US 5,961,424 · App. 08/919,695
Free wheel clutch mechanism for bicycle drive train
Inventors:
Patrick A. Warner, Michael H. Harding, Mu-Chuan Wu
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Aug 28, 1997
Inventors
Patrick A. Warner
Michael H. Harding
Mu-Chuan Wu
Assignee (at issue)
Schwinn Cycling & Fitness 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.