Granted Patent
Utility
US 4,625,076 · App. 06/710,253
Signed document transmission system
Inventors:
Tatsuaki Okamoto, Shoji Miyaguchi, Akira Shiraishi, Tsukasa Kawaoka
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Mar 11, 1985
Inventors
Tatsuaki Okamoto
Shoji Miyaguchi
Akira Shiraishi
Tsukasa Kawaoka
Assignee (at issue)
Nippon Telegraph and Telephone Public 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.