Granted Patent
Utility
US 6,182,995 · App. 09/178,782
Extendable semi-trailer
Inventor:
George B. Wall
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Oct 26, 1998
Inventor
George B. Wall
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.