Granted Patent
Utility
US 6,024,191 · App. 09/015,762
Lift apparatus having an articulated double parallelogram boom assembly
Inventors:
Robert D. Backer, Michael Goodrich
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Jan 29, 1998
Inventors
Robert D. Backer
Michael Goodrich
Assignee (at issue)
Kiddie 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.