Granted Patent
Utility
US 4,547,810 · App. 06/367,049
Portable facsimile transmitter
Inventors:
David G. Rutherford, Bernd Helling, John H. Long
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Apr 9, 1982
Inventors
David G. Rutherford
Bernd Helling
John H. Long
Assignee (at issue)
THE ASSOCIATED PRESS
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.