Granted Patent
Utility
US 6,705,342 · App. 10/249,906
Modulating gas valve with natural/LP gas conversion capability
Inventors:
Mike C. Santinanavat, William P. Butler
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: May 16, 2003
Inventors
Mike C. Santinanavat
William P. Butler
Assignee (at issue)
Emerson Electric Co.
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.