Granted Patent
Utility
US 6,279,933 · App. 09/829,690
Locking mechanism for movable subframe of semi-trailers
Inventors:
Joseph M. Ross, Marc Gibson, Timothy Hess
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Apr 10, 2001
Inventors
Joseph M. Ross
Marc Gibson
Timothy Hess
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.