Granted Patent
Utility
US 4,833,008 · App. 07/051,201
Metalized fabric
Inventor:
Norwin C. Derby
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: May 18, 1987
Inventor
Norwin C. Derby
Assignee (at issue)
B.A.G. Corp.
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.