DK

David M. Kramer

📍 Cleveland Heights, OH: #21 of 77 inventorsTop 30%
🗺 Ohio: #2,417 of 7,535 inventorsTop 35%
Overall (2021): #483,108 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10916232 Acoustical optical pickup for use in stringed musical instruments Kyle Hughes, David Earl Ball 2021-02-09