Granted Patent
Utility
US 4,688,955 · App. 06/418,033
Automatic ribbon positioning serial printer
Inventors:
Minoru Isobe, Shuichi Imai, Toru Hiroki, Tadasi Kodama, Waturu Ohara
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Sep 14, 1982
Inventors
Minoru Isobe
Shuichi Imai
Toru Hiroki
Tadasi Kodama
Waturu Ohara
Assignees (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.