IP Library › Granted Patent US 5,457,385
Granted Patent Utility
US 5,457,385 · App. 08/122,545

NQR methods and apparatus

Inventors: John Sydney, Julian D. Shaw
Patented Case View Patent ↗
Granted: Oct 10, 1995 Filed: Sep 30, 1993
Inventors
John Sydney
Julian D. Shaw
Assignee (at issue)
British Technology Group Limited

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 5,457,385
App. No.
08/122,545
Filed
1993-09-30
Granted
1995-10-10
Kind
A