Inventor record

MARSHALL JONATHAN D

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.

• 99Jonathan Marshall92 patent records·811 citations·E21B E21C F16C34 on this record
• MARSHALL JONATHAN D1 patent record·0 citations·E21B1 on this record

Inventor identities via PatentsView disambiguation — see methodology.