Granted Patent
Utility
US 4,607,917 · App. 06/486,574
Electro-optical device
Inventors:
Heinz Ebner, Gabriele I. Koch, Joachim Lauckner, Felix Lutz, Gerhard Seibold, Gerhard Wessel
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Apr 19, 1983
Inventors
Heinz Ebner
Gabriele I. Koch
Joachim Lauckner
Felix Lutz
Gerhard Seibold
Gerhard Wessel
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.