Granted Patent
Utility
US 4,490,283 · App. 06/332,000
Flame retardant thermoplastic molding compounds of high electroconductivity
Inventor:
Lothar W. Kleiner
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Dec 18, 1981
Inventor
Lothar W. Kleiner
Assignee (at issue)
Mitech Corporation
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.