Inventor

VARDION STEPHEN J

US4 patents

Patents

4 patents

US7412896B2Aug 19, 2008

Filter change indicator

STANADYNE CORP11 citations83

US7137303B2Nov 21, 2006

Filter change indicator

STANADYNE CORP12 citations83

US7360433B2Apr 22, 2008

Filter change indicator

STANADYNE CORP6 citations72

US6485643B2Nov 26, 2002

Modular base for a filter cartridge and method of manufacturing therefor

STANADYNE CORP12 citations69