Granted Patent
Utility
US 4,390,610 · App. 06/316,368
Layered electrophotographic imaging element, apparatus and method sensitive to gallium arsenide laser, the element including two charge generation layers and a polycarbonate adhesive layer
Inventors:
Larry D. Bowden, Albert H. Miyashita, Charles I. Ravenelle
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Oct 29, 1981
Inventors
Larry D. Bowden
Albert H. Miyashita
Charles I. Ravenelle
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.