Granted Patent
Utility
US 5,293,788 · App. 07/956,182
Alternate input gear drive
Inventor:
Eric C. Blom
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Oct 5, 1992
Inventor
Eric C. Blom
Assignee (at issue)
Harnischfeger 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.