Granted Patent
Utility
US 4,479,264 · App. 06/371,951
Transducer for optical data transmission
Inventors:
James F. Lockett, Jerry F. Janecka, Thomas O. Mehrkam
Patented Case
View Patent ↗
Granted: Oct 23, 1984
Filed: Apr 26, 1982
Inventors
James F. Lockett
Jerry F. Janecka
Thomas O. Mehrkam
Assignee (at issue)
Geosource, Inc.
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.