Inventor record

SPIRK JOHN EVAN

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.

• 94John Evan Spirk24 patent records·147 citations·B65D A61H A46B13 on this record
• 30John Evan Spirk1 patent record·8 citations·A47B1 on this record
• 25John Evan Spirk1 patent record·4 citations1 on this record

Inventor identities via PatentsView disambiguation — see methodology.