Granted Patent
Utility
US 4,499,219 · App. 06/554,011
Stabilized thermoplastic polyester moulding composition
Inventors:
Lothar Buxbaum, Franz Breitenfellner, Thomas Kainmuller
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Nov 21, 1983
Inventors
Lothar Buxbaum
Franz Breitenfellner
Thomas Kainmuller
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.