Inventor

CARDINAL RICHARD S

US3 patents

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

DONALDSON CO INC

2 patents

US7641055B2Jan 5, 2010

Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy

DONALDSON CO INC19 citations89

US7910003B2Mar 22, 2011

Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy

DONALDSON CO INC8 citations80

FERRER ISMAEL

1 patent

US8141716B2Mar 27, 2012

Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy

FERRER ISMAEL2 citations57