Inventor record
JOHNSTON DAVID H
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.
- 87David H. Johnston7 patent records·183 citations·G01V H02G G11B7 on this record
- David H. Johnston1 patent record·0 citations·A01N1 on this record
Inventor identities via PatentsView disambiguation — see methodology.