DM

Douglas McWilliams

📍 Columbus, NE: #73 of 142 inventorsTop 55%
🗺 Nebraska: #2,834 of 5,697 inventorsTop 50%
Overall (All Time): #3,952,187 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4745645 Inflatable insert for worn mattresses — 1988-05-24