Granted Patent
Utility
US 4,256,348 · App. 06/045,591
Aluminum alloy motorcycle wheel having an extruded rim shrink fitted and resin bonded to a die cast hub-spoke unit
Inventors:
Thomas J. Lester, Theodore C. Ptacek
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Jun 4, 1979
Inventors
Thomas J. Lester
Theodore C. Ptacek
Assignee (at issue)
Lester Industries, 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.