Granted Patent
Utility
US 4,998,401 · App. 07/324,011
Mowing machine
Inventors:
Akio Terai, Junichi Yoshino, Shinroku Satsumi, Mitsuru Taniguchi
Patented Case
View Patent ↗
Granted: Mar 12, 1991
Filed: Mar 15, 1989
Inventors
Akio Terai
Junichi Yoshino
Shinroku Satsumi
Mitsuru Taniguchi
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.