Granted Patent
Utility
US 5,565,852 · App. 08/274,922
Smoke detector with digital display
Inventors:
Mark A. Peltier, Douglas H. Marman, David S. Terrett, Michael E. Fossey
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Jul 13, 1994
Inventors
Mark A. Peltier
Douglas H. Marman
David S. Terrett
Michael E. Fossey
Assignee (at issue)
Sentrol, 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.