Granted Patent
Utility
US 6,021,837 · App. 09/008,621
Shutter tracks for rolling protective shutters
Inventor:
James V. Miller
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Jan 16, 1998
Inventor
James V. Miller
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.