Granted Patent
Utility
US 6,406,446 · App. 09/267,372
High velocity current producing apparatus
Inventors:
Kazumi Takagi, Yoshitaka Morinaka, Kenichi Ito, Masaru Mochizuki
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Mar 15, 1999
Inventors
Kazumi Takagi
Yoshitaka Morinaka
Kenichi Ito
Masaru Mochizuki
Assignee (at issue)
TAKAGI INDUSTRIAL 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.