IP Library Granted Patent US 6,126,439
Granted Patent Utility
US 6,126,439 · App. 08/909,737

Premix burner

Inventors: Hans Peter Knopfel, Giacomo Bolis
Patented Case View Patent ↗
Granted: Oct 3, 2000 Filed: Aug 12, 1997
Inventors
Hans Peter Knopfel
Giacomo Bolis
Assignee (at issue)
ABB Alstom Power (Switzerland) Ltd.

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 6,126,439
App. No.
08/909,737
Filed
1997-08-12
Granted
2000-10-03
Kind
A