Granted Patent
Utility
US 5,818,326 · App. 08/677,339
Early fire detection using temperature and smoke sensing
Inventors:
Charles Winterble, Rony R. Seyouri
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Jul 2, 1996
Inventors
Charles Winterble
Rony R. Seyouri
Assignee (at issue)
Simplex Time Recorder 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.