Granted Patent
Utility
US 4,409,306 · App. 06/355,018
Method of preparing a phosphor suspension
Inventors:
Volker Gerstle, Gerhard Mauz, Rolf Zondler
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Mar 2, 1982
Inventors
Volker Gerstle
Gerhard Mauz
Rolf Zondler
Assignee (at issue)
International Standard Electric 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.