Granted Patent
Utility
US 4,363,185 · App. 06/218,296
Vehicle with gear-changing mechanism including two displaceable gears
Inventor:
Hiroshi Masubuchi
Patented Case
View Patent ↗
Granted: Dec 14, 1982
Filed: Dec 19, 1980
Inventor
Hiroshi Masubuchi
Assignee (at issue)
Tonka Corporation
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.