Granted Patent
Utility
US 6,244,325 · App. 09/429,335
Safety release clutch for rolling shutters
Inventors:
James V. Miller, Michael J. Coniglio, Garrett C. Waecker
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Oct 28, 1999
Inventors
James V. Miller
Michael J. Coniglio
Garrett C. Waecker
Assignee (at issue)
QMI Roll Shutter Supply
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.