Granted Patent
Utility
US 4,677,327 · App. 06/831,444
Electromagnetic actuator with concentric coil resin fill
Inventors:
Takeo Kushida, Youichi Taniai
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Feb 20, 1986
Inventors
Takeo Kushida
Youichi Taniai
Assignees (at issue)
Diesel Kiki Co., Ltd.
Sanken Airpax 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.