Granted Patent
Utility
US 6,799,549 · App. 10/429,881
Combustion and exhaust heads for fluid turbine engines
Inventors:
David G. Patterson, Albert W. Patterson
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: May 6, 2003
Inventors
David G. Patterson
Albert W. Patterson
Assignee (at issue)
1564330 ONTARIO 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.