Granted Patent
Utility
US 5,369,863 · App. 08/137,403
Bicycle crank arm puller
Inventors:
Mark J. Hasenberg, Steven R. Wente
Patented Case
View Patent ↗
Granted: Dec 6, 1994
Filed: Oct 18, 1993
Inventors
Mark J. Hasenberg
Steven R. Wente
Assignee (at issue)
Snap-on Incorporated
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.