Granted Patent
Utility
US 5,129,124 · App. 07/604,685
Cleaning machine
Inventors:
Akira Gamou, Shoji Sakai, Yoshiaki Kanoh, Kenichi Osonoe, Akio Terai, Masayoshi Tsuchiya
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Oct 26, 1990
Inventors
Akira Gamou
Shoji Sakai
Yoshiaki Kanoh
Kenichi Osonoe
Akio Terai
Masayoshi Tsuchiya
Assignee (at issue)
Komatsu Zenoah Co.
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.