IP Library › Granted Patent US 4,916,957
Granted Patent Utility
US 4,916,957 · App. 07/191,504

Flexible disc rotor rate gyro

Inventor: Thomas R. Quermann
Patented Case View Patent ↗
Granted: Apr 17, 1990 Filed: May 9, 1988
Inventor
Thomas R. Quermann
Assignee (at issue)
Unisys 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.

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 4,916,957
App. No.
07/191,504
Filed
1988-05-09
Granted
1990-04-17
Kind
A