Granted Patent
Utility
US 4,377,348 · App. 06/244,077
Printer head for serial dot printer
Inventors:
Minoru Isobe, Hiroshi Kikuchi, Minoru Teshima, Tadasi Kodama
Patented Case
View Patent ↗
Granted: Mar 22, 1983
Filed: Mar 16, 1981
Inventors
Minoru Isobe
Hiroshi Kikuchi
Minoru Teshima
Tadasi Kodama
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.