Inventor

STEPHENS DAVID L

CA2 patents

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

(unassigned)

1 patent

US5454376AOct 3, 1995

Breathing monitor articles of wearing apparel

132 citations89

UNIMIN CORP

1 patent

US7104403B1Sep 12, 2006

Static two stage air classifier

UNIMIN CORP32 citations83