JC

John W. Cole

EI Etymonic Design Incorporated: 2 patents #1 of 4Top 25%
📍 Springfield, IL: #1 of 1 inventorsTop 100%
Overall (2018): #136,055 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9961455 Test apparatus for binaurally-coupled acoustic devices William A. Cole, Jacobus A. Jonkman, Jonathan M. Pietrobon 2018-05-01
9860652 Test apparatus for binaurally-coupled acoustic devices William A. Cole, Jacobus A. Jonkman, Jonathan M. Pietrobon 2018-01-02