IP Library › Granted Patent US 4,488,097
Granted Patent Utility
US 4,488,097 · App. 06/487,410

Electric motor rotation position control device

Inventor: Donald N. MacLaughlin
Patented Case View Patent ↗
Granted: Dec 11, 1984 Filed: Apr 21, 1983
Inventor
Donald N. MacLaughlin
Assignee (at issue)
Cosden Technology, 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 4,488,097
App. No.
06/487,410
Filed
1983-04-21
Granted
1984-12-11
Kind
A