DM

David W. Mathew

AP Audio Precision: 4 patents #1 of 4Top 25%
📍 Portland, OR: #300 of 1,857 inventorsTop 20%
🗺 Oregon: #530 of 4,557 inventorsTop 15%
Overall (2020): #56,902 of 565,922Top 15%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D892082 Audio switcher 2020-08-04
D884515 Electric-acoustic testing device 2020-05-19
D884516 Audio analyzer 2020-05-19
D884517 Audio analyzer 2020-05-19