Granted Patent
Utility
US 4,625,108 · App. 06/566,248
Device for determining the direction of incident optical radiation
Inventors:
Siegfried Nestel, Manfred Bohm
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Dec 28, 1983
Inventors
Siegfried Nestel
Manfred Bohm
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.