Granted Patent
Utility
US 5,052,882 · App. 07/601,618
Apparatus and method for controllably positioning forks of a material handling vehicle
Inventors:
Andrew P. Blau, Paul D. Grohsmeyer, Joseph J. Harding, Darren L. Krahn
Patented Case
View Patent ↗
Granted: Oct 1, 1991
Filed: Oct 24, 1990
Inventors
Andrew P. Blau
Paul D. Grohsmeyer
Joseph J. Harding
Darren L. Krahn
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.