Granted Patent
Utility
US 6,682,606 · App. 09/834,091
System and method of treating a porous material of a vehicle
Inventor:
Thomas Walker
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Apr 12, 2001
Inventor
Thomas Walker
Assignee (at issue)
Ziebart International Corporation
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.