Granted Patent
Utility
US 4,315,395 · App. 06/142,491
Jack stand for agricultural attachment
Inventors:
Stephen E. Randall, Carl G. Overly
Patented Case
View Patent ↗
Granted: Feb 16, 1982
Filed: Apr 21, 1980
Inventors
Stephen E. Randall
Carl G. Overly
Assignee (at issue)
Sperry Corp.
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.