Granted Patent
Utility
US 4,555,651 · App. 06/638,850
Motor speed control apparatus
Inventors:
Grant C. Melocik, William Pickering
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Aug 8, 1984
Inventors
Grant C. Melocik
William Pickering
Assignee (at issue)
Towmotor 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.