Granted Patent
Utility
US 4,652,252 · App. 06/553,615
Toothed belt and method with reinforcement cord
Inventors:
William L. Westhoff, Roger W. Dutton
Patented Case
View Patent ↗
Granted: Mar 24, 1987
Filed: Nov 21, 1983
Inventors
William L. Westhoff
Roger W. Dutton
Assignee (at issue)
The Gates Rubber Company
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.