Granted Patent
Utility
US 5,242,039 · App. 07/846,546
Electrically actuated two-speed drive
Inventor:
Brian D. Mabee
Patented Case
View Patent ↗
Granted: Sep 7, 1993
Filed: Mar 5, 1992
Inventor
Brian D. Mabee
Assignee (at issue)
Easom Engineering & Mfg. Corp.
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.