Granted Patent
Utility
US 6,082,031 · App. 09/124,570
Canopy mounting device for exit sign
Inventors:
Thomas K. Heaton, David Evarts
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Jul 29, 1998
Inventors
Thomas K. Heaton
David Evarts
Assignee (at issue)
Dual-Lite 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.