IP Library › Granted Patent US 4,910,447
Granted Patent Utility
US 4,910,447 · App. 07/175,774

Pulse width modulator motor control

Inventor: Stephen C. Masters
Patented Case View Patent ↗
Granted: Mar 20, 1990 Filed: Mar 31, 1988
Inventor
Stephen C. Masters
Assignee (at issue)
Scott Motors, 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,910,447
App. No.
07/175,774
Filed
1988-03-31
Granted
1990-03-20
Kind
A