Granted Patent
Utility
US 5,129,780 · App. 07/559,725
Hydra-lift stand for loaders
Inventor:
Leroy B. Stumpe
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Jul 30, 1990
Inventor
Leroy B. Stumpe
Assignee (at issue)
Du-Al Manufacturing Company
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.