BR

Berthal B. Robertson

📍 Marion, IL: #27 of 48 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,100,501 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4300523 Barbecue oven Michael Robertson 1981-11-17