Granted Patent
Utility
US 5,713,515 · App. 08/567,471
Method and system in a fluid heating apparatus for efficiently controlling combustion
Inventors:
Charles L. Adams, Richard Adams
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: Dec 5, 1995
Inventors
Charles L. Adams
Richard Adams
Assignee (at issue)
PVI Industries, 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.