Granted Patent
Utility
US 5,692,377 · App. 08/579,848
Apparatus for controlling lifting operation
Inventors:
Naoyuki Moriya, Yoshinori Yamagishi, Kazunori Yoshino, Nobuaki Matoba
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Dec 28, 1995
Inventors
Naoyuki Moriya
Yoshinori Yamagishi
Kazunori Yoshino
Nobuaki Matoba
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.