Granted Patent
Utility
US 4,623,764 · App. 06/745,493
Means electrically grounding a motor
Inventors:
Mark L. Petre, Michael W. B. Lock
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Jun 17, 1985
Inventors
Mark L. Petre
Michael W. B. Lock
Assignee (at issue)
Emhart Industries, Inc.
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.