Granted Patent
Utility
US 4,699,558 · App. 06/822,533
Mobile cargo loader for lifting and transporting building modules and the like
Inventors:
Douglas R. Hagge, Clifford V. Johnston
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Jan 27, 1986
Inventors
Douglas R. Hagge
Clifford V. Johnston
Assignee (at issue)
Cardinal Industries, 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.