Granted Patent
Utility
US 6,797,167 · App. 10/290,859
Composite filter medium and fluid filters containing same
Inventor:
Evan E. Koslow
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Nov 8, 2002
Inventor
Evan E. Koslow
Assignee (at issue)
Koslow Technologies 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.