Granted Patent
Utility
US 5,519,942 · App. 08/397,588
Levelling and transit system
Inventor:
James Webb
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Mar 2, 1995
Inventor
James Webb
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.