Granted Patent
Utility
US 6,017,451 · App. 08/941,842
Spider fitting for multi-module filter system, and motive cart assembly comprising same
Inventor:
Henry B. Kopf
Patented Case
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Granted: Jan 25, 2000
Filed: Oct 1, 1997
Inventor
Henry B. Kopf
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.