Granted Patent
Utility
US 5,941,341 · App. 08/851,204
Mobile ladder stand
Inventors:
Donald G. Gillis, Daniel Johnson
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: May 5, 1997
Inventors
Donald G. Gillis
Daniel Johnson
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.