Granted Patent
Utility
US 5,127,486 · App. 07/617,315
System for sensing arrival of an automatic guided vehicle at a wire
Inventors:
James V. Yardley, Gary L. Whatcott, John Arthur Mitsuru Petersen
Patented Case
View Patent ↗
Granted: Jul 7, 1992
Filed: Nov 23, 1990
Inventors
James V. Yardley
Gary L. Whatcott
John Arthur Mitsuru Petersen
Assignee (at issue)
Eaton-Kenway, 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.