Granted Patent
Utility
US 5,203,224 · App. 07/828,166
Gear for use in vacuum space
Inventor:
Toshio Honda
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Jan 30, 1992
Inventor
Toshio Honda
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.