Granted Patent
Utility
US 4,149,798 · App. 05/805,373
Electrophotographic apparatus and method for producing printing masters
Inventors:
Norman L. McGowan, William Jeffers, Richard E. Amtower, Klaus Schoen
Patented Case
View Patent ↗
Granted: Apr 17, 1979
Filed: Jun 10, 1977
Inventors
Norman L. McGowan
William Jeffers
Richard E. Amtower
Klaus Schoen
Assignee (at issue)
Eocom 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.