Granted Patent
Utility
US 6,619,635 · App. 10/118,645
Air spring clamping assembly
Inventors:
Mark D. Hilburger, Daniel J. Leonard
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Apr 8, 2002
Inventors
Mark D. Hilburger
Daniel J. Leonard
Assignee (at issue)
BFS Diversified Products, LLC
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.