BJ

Bart Johnston

📍 Sheboygan, WI: #353 of 549 inventorsTop 65%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,984,914 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D292577 Interchangeable tape cassette Mary Johnston 1987-11-03