Inventor record

SPIECKER P MATTHEW

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.

• 86P. Matthew Spiecker30 patent records·32 citations·E21B C09K30 on this record
• 23SPIECKER P MATTHEW2 patent records·0 citations·B02C E21B2 on this record

Inventor identities via PatentsView disambiguation — see methodology.