JJ

Jacobus A. Jonkman

EI Etymonic Design Incorporated: 2 patents #1 of 4Top 25%
Overall (2019): #162,956 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10477324 Test apparatus for binaurally-coupled acoustic devices John W. Cole, William A. Cole, Jonathan M. Pietrobon 2019-11-12
10171920 Test apparatus for binaurally-coupled acoustic devices John W. Cole, William A. Cole, Jonathan M. Pietrobon 2019-01-01