Granted Patent
Utility
US 4,175,644 · App. 05/593,637
Scissors lift
Inventor:
Bert J. Sikli
Patented Case
View Patent ↗
Granted: Nov 27, 1979
Filed: Jul 7, 1975
Inventor
Bert J. Sikli
Assignee (at issue)
Robert Staines
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.