Inventor record

LIGMAN JAMES R

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.

• 91James R. Ligman9 patent records·445 citations·E21B H02H A47L7 on this record
• 96Harry W. Kompanek18 patent records·604 citations·B06B E21B H03K1 on this record

Inventor identities via PatentsView disambiguation — see methodology.