Granted Patent
Utility
US 4,623,562 · App. 06/802,898
Process for producing light-reflecting bodies
Inventors:
Franz Breitenfellner, Karl Leidig, Thomas Kainmuller
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Nov 27, 1985
Inventors
Franz Breitenfellner
Karl Leidig
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.