Granted Patent
Utility
US 4,906,159 · App. 07/327,315
Freely positionable load carrying attachment for an automatic guided vehicle
Inventors:
Joseph F. Sabo, Andrew P. Blau, John E. Wible
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Mar 22, 1989
Inventors
Joseph F. Sabo
Andrew P. Blau
John E. Wible
Assignee (at issue)
Caterpillar Industrial 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.