Granted Patent
Utility
US 4,554,704 · App. 06/560,910
Corrosion resistant caster
Inventor:
Lidio P. Raffaeli
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Dec 14, 1983
Inventor
Lidio P. Raffaeli
Assignee (at issue)
Stewart Warner Corporation
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.