Granted Patent
Utility
US 4,342,678 · App. 06/167,179
Glass-reinforced polyester moulding compounds
Inventors:
Lothar Buxbaum, Franz Breitenfellner
Patented Case
View Patent ↗
Granted: Aug 3, 1982
Filed: Jul 9, 1980
Inventors
Lothar Buxbaum
Franz Breitenfellner
Assignee (at issue)
Ciba-Geigy
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.