Granted Patent
Utility
US 6,672,691 · App. 10/133,249
Control mechanism for tambour-style door closures
Inventor:
David A. Hoff
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Apr 26, 2002
Inventor
David A. Hoff
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.