Inventor record

PORTERFIELD D MARSHALL

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.

• 36D. Marshall Porterfield4 patent records·2 citations·B82Y C05D D04H3 on this record
• D. Marshall Porterfield1 patent record·0 citations·B04B1 on this record

Inventor identities via PatentsView disambiguation — see methodology.