Granted Patent
Utility
US 4,348,120 · App. 06/147,106
Printing head for a dot printer
Inventors:
Minoru Isobe, Hiroshi Kikuchi, Minoru Teshima, Tadasi Kodama, Wataru Ohara
Patented Case
View Patent ↗
Granted: Sep 7, 1982
Filed: May 6, 1980
Inventors
Minoru Isobe
Hiroshi Kikuchi
Minoru Teshima
Tadasi Kodama
Wataru 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.