WJ

William ‘Billy’ L. Johnson

📍 Oakland, CA: #139 of 401 inventorsTop 35%
🗺 California: #14,783 of 41,698 inventorsTop 40%
Overall (2011): #130,977 of 364,097Top 40%
1
Patents 2011

Issued Patents 2011

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