Inventor record

SCHAEFER DONALD 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.

• 87Donald D. Schaefer6 patent records·310 citations·F04C5 on this record
• 99David N. Shaw72 patent records·3,243 citations·F25B F04C Y02B1 on this record

Inventor identities via PatentsView disambiguation — see methodology.