IP Library › Granted Patent US 5,156,097
Granted Patent Utility
US 5,156,097 · App. 07/689,784

Combustion apparatus

Inventors: Gerry Booth, Stewart Donnelly, Brian R. Lindley
Patented Case View Patent ↗
Granted: Oct 20, 1992 Filed: Jun 13, 1991
Inventors
Gerry Booth
Stewart Donnelly
Brian R. Lindley

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 5,156,097
App. No.
07/689,784
Filed
1991-06-13
Granted
1992-10-20
Kind
A