Granted Patent
Utility
US 6,769,723 · App. 10/233,333
Midrail mounted exit device
Inventors:
Richard B. Cohrs, Eric K. Arthur, Marlin Austin, Loren D. Mueller
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Aug 30, 2002
Inventors
Richard B. Cohrs
Eric K. Arthur
Marlin Austin
Loren D. Mueller
Assignee (at issue)
Dor-O-Matic, 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.