IP Library › Granted Patent US 5,666,522
Granted Patent Utility
US 5,666,522 · App. 08/189,254

Variable speed controller

Inventor: Dean A. Klein
Patented Case View Patent ↗
Granted: Sep 9, 1997 Filed: Jan 28, 1994
Inventor
Dean A. Klein
Assignee (at issue)
MICRON ELECTRONICS LLC

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 5,666,522
App. No.
08/189,254
Filed
1994-01-28
Granted
1997-09-09
Kind
A