Granted Patent
Utility
US 5,299,506 · App. 07/953,464
Guide apparatus for transportation system having differing in height rail joints to reduce noise and vibration during vertical travel
Inventors:
Takuya Kakida, Noriyuki Inoue, Shoichi Okada, Akira Mikami, Akiyoshi Kimura, Yuji Watanabe
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Sep 29, 1992
Inventors
Takuya Kakida
Noriyuki Inoue
Shoichi Okada
Akira Mikami
Akiyoshi Kimura
Yuji Watanabe
Assignee (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
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.