Granted Patent
Utility
US 6,814,570 · App. 10/452,857
Venturi mixer and combustion assembly
Inventors:
Darton J. Zink, John McDonald, Rex K. Isaacs, Cody Little
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Jun 2, 2003
Inventors
Darton J. Zink
John McDonald
Rex K. Isaacs
Cody Little
Assignee (at issue)
ZEECO, INC.
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.