IP Library › Granted Patent US 4,428,351
Granted Patent Utility
US 4,428,351 · App. 06/287,149

Fuel processor apparatus

Inventor: Leland L. Davis
Patented Case View Patent ↗
Granted: Jan 31, 1984 Filed: Jul 27, 1981
Inventor
Leland L. Davis
Assignee (at issue)
DAVCO, 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 4,428,351
App. No.
06/287,149
Filed
1981-07-27
Granted
1984-01-31
Kind
A