Granted Patent
Utility
US 4,147,667 · App. 05/869,194
Photoconductor for GaAs laser addressed devices
Inventors:
Jacques Chevallier, Charles R. Guarnieri, Aare Onton, Harold Wieder
Patented Case
View Patent ↗
Granted: Apr 3, 1979
Filed: Jan 13, 1978
Inventors
Jacques Chevallier
Charles R. Guarnieri
Aare Onton
Harold Wieder
Assignee (at issue)
International Business Machines 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.