JG

John S. Graham

PL Plantronics: 1 patents #20 of 61Top 35%
Overall (2020): #413,577 of 565,922Top 75%
1
Patents 2020

Issued Patents 2020

Patent #TitleCo-InventorsDate
10587951 Equipment including down-firing speaker John A. Schaffer, Jacob T. Meyberg Guzman 2020-03-10