ER

Emma F. Roberts

📍 Marthasville, MO: #10 of 21 inventorsTop 50%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,315,598 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5005294 Skimmer/separator ladle Leo B. Roberts 1991-04-09
D308151 Ladle Leo B. Roberts 1990-05-29