Granted Patent
Utility
US 5,739,504 · App. 08/508,467
Control system for boiler and associated burner
Inventors:
Richard A. Lyons, Christopher L. Murray
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Jul 28, 1995
Inventors
Richard A. Lyons
Christopher L. Murray
Assignee (at issue)
C.Cowles & Company
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.