WJ

William ‘Billy’ L. Johnson

📍 Oakland, CA: #2,828 of 4,380 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,254,547 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7968780 Method and apparatus for optimizing sound output characteristics of a drum Samuel Earl Millender, Jr., Jesse M. Bradman 2011-06-28