Inventor record

HUMPHRIES DEREK

This page previously combined 2different people who filed under the same name. Pick the inventor you're looking for — each profile now covers one disambiguated person.

• 92Derek Humphries13 patent records·238 citations·E03F E01C E04C12 on this record
• HUMPHRIES DEREK1 patent record·0 citations·E03F1 on this record

Inventor identities via PatentsView disambiguation — see methodology.