Granted Patent
Utility
US 4,965,556 · App. 07/165,611
Combustion products detector having self-actuated periodic testing signal
Inventors:
James Brodecki, William P. Tanguay, Dale Fiene
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Mar 8, 1988
Inventors
James Brodecki
William P. Tanguay
Dale Fiene
Assignee (at issue)
Seatt Corporation
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.