Granted Patent
Utility
US 6,315,975 · App. 09/394,207
Suspension system using fumed silica
Inventor:
Donald Edward Lindblad
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Sep 10, 1999
Inventor
Donald Edward Lindblad
Assignee (at issue)
Rhodia, Inc.
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.