IP Library Granted Patent US 6,493,231
Granted Patent Utility
US 6,493,231 · App. 09/308,684

Electrical apparatus

Inventors: Brian Frederick Nicholson, David M. Jacobson, Surinder Pal Singh Sangha, Giles Humpston, James H. Vincent, William Martin Lovell
Patented Case View Patent ↗
Granted: Dec 10, 2002 Filed: Jul 29, 1999
Inventors
Brian Frederick Nicholson
David M. Jacobson
Surinder Pal Singh Sangha
Giles Humpston
James H. Vincent
William Martin Lovell
Assignee (at issue)
BAE Systems Electronics 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 6,493,231
App. No.
09/308,684
Filed
1999-07-29
Granted
2002-12-10
Kind
B2