P

Inventor

BELLEFEUILLE CYNTHIA D

US4 patents
⚠️ This page may combine multiple inventors who share the name “BELLEFEUILLE CYNTHIA D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DONALDSON CO INC

3 patents
US6077335AJun 20, 2000

Filter and method for making a filter

DONALDSON CO INC98 citations94
US5997618ADec 7, 1999

Filter and method for making a filter

DONALDSON CO INC73 citations93
US5869009AFeb 9, 1999

Filter device

DONALDSON CO INC57 citations93

DONALDSON & COMPANY INC

1 patent
US6168681B1Jan 2, 2001

Method of making a filter device

DONALDSON & COMPANY INC22 citations86