Inventor record

DROBYAZKO VLADIMIR 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.

• 97Alexandr D. Kostylev33 patent records·439 citations·E21B B25D E02D1 on this record
• 45Vladimir F. Drobyazko2 patent records·7 citations·E21B1 on this record

Inventor identities via PatentsView disambiguation — see methodology.