Inventor record

JOHNSTON DAVID F

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.

• 98David F. Johnston40 patent records·976 citations·B03C G10L Y10S30 on this record
• 45JOHNSTON DAVID F1 patent record·32 citations·H05B1 on this record

Inventor identities via PatentsView disambiguation — see methodology.