Granted Patent
Utility
US 6,453,975 · App. 09/976,684
Modular roll-up partition system with tension adjustment mechanism
Inventor:
James V. Miller
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Oct 12, 2001
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.