Granted Patent
Utility
US 5,392,718 · App. 07/971,305
Wheel lifting assembly for mobile folding stage unit
Inventor:
Kenneth V. Stevens
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Nov 4, 1992
Inventor
Kenneth V. Stevens
Assignee (at issue)
King Arthur Div., Shelby Williams Industries
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.