Inventor record

YOUNG III CHAPMAN

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.

• 88Chapman Young, Iii7 patent records·245 citations·E21C E21B F42D5 on this record
• 50YOUNG III CHAPMAN1 patent record·56 citations·E21C1 on this record

Inventor identities via PatentsView disambiguation — see methodology.