Granted Patent
Utility
US 5,906,150 · App. 08/836,608
Valves incorporated structure in a tension adjusting cylinder body for a crawler type vehicle
Inventors:
Makoto Sakai, Shoji KOGA
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: May 13, 1997
Inventors
Makoto Sakai
Shoji KOGA
Assignee (at issue)
Shin Caterpillar Mitsubishi 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.