Granted Patent
Utility
US 4,433,926 · App. 06/404,035
Printer head
Inventors:
Minoru Isobe, Hiroshi Kikuchi, Minoru Teshima, Tadasi Kodama, Mitsuo Iwama
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Aug 2, 1982
Inventors
Minoru Isobe
Hiroshi Kikuchi
Minoru Teshima
Tadasi Kodama
Mitsuo Iwama
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.