Granted Patent
Utility
US 6,152,093 · App. 09/250,764
Stratified scavenging two-cycle engine and cylinder block therefor
Inventors:
Toshiharu Sawada, Hiroshi Kato, Takeshi Watanabe
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Feb 16, 1999
Inventors
Toshiharu Sawada
Hiroshi Kato
Takeshi Watanabe
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.