Granted Patent
Utility
US 4,765,443 · App. 07/032,956
Caliper brake for mountain bicycles having wide tires
Inventor:
Charles B. Cunningham
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Mar 31, 1987
Inventor
Charles B. Cunningham
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.