FD

Fredrick Douglas

📍 Shawnee, KS: #239 of 399 inventorsTop 60%
🗺 Kansas: #6,307 of 12,005 inventorsTop 55%
Overall (All Time): #4,103,435 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4181312 Slinger device — 1980-01-01