Granted Patent
Utility
US 5,340,143 · App. 08/191,409
Slidable support for heavily loaded trailer jack post
Inventor:
Thomas M. Williams, Jr.
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Feb 3, 1994
Inventor
Thomas M. Williams, Jr.
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.