Granted Patent
Utility
US 5,589,767 · App. 08/223,390
Mechanism for the attachment of a speed sensor to a train wheel including a bearing and a connection link with a shock absorbing bushing
Inventor:
Osamu Akamatsu
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Apr 5, 1994
Inventor
Osamu Akamatsu
Assignee (at issue)
NABCO, Inc.
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.