Granted Patent
Utility
US 6,416,069 · App. 09/375,133
Underbeam axle lift assembly
Inventor:
John E. Ramsey
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Aug 16, 1999
Inventor
John E. Ramsey
Assignee (at issue)
The Boler 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.