Inventor record
SPIRK JOHN
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.
- 99John W. Spirk276 patent records·6,417 citations·B65D A61C Y10T50 on this record
- 94John Evan Spirk24 patent records·147 citations·B65D A61H A46B8 on this record
Inventor identities via PatentsView disambiguation — see methodology.