Inventor record

KORSTAD RALPH J

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.

• 85Ralph J. Korstad6 patent records·138 citations·E21B5 on this record
• 94Ching H. Wu14 patent records·484 citations·E21B C09K Y10S1 on this record

Inventor identities via PatentsView disambiguation — see methodology.