Inventor record

SPIRK JOHN W

This page previously combined 3different people who filed under the same name. Pick the inventor you're looking for — each profile now covers one disambiguated person.

• 99John W. Spirk276 patent records·6,417 citations·B65D A61C Y10T162 on this record
• 94John Evan Spirk24 patent records·147 citations·B65D A61H A46B2 on this record
• 41John Spirk2 patent records·19 citations·A63H1 on this record

Inventor identities via PatentsView disambiguation — see methodology.