Granted Patent
Utility
US 6,194,878 · App. 09/035,340
Electronic speed control circuit
Inventor:
Konrad Schafroth
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Mar 5, 1998
Inventor
Konrad Schafroth
Assignee (at issue)
Conseils et Manufacture VLG S.A.
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.