DI

David L. Ingraham

📍 Wilmington, DE: #1,229 of 3,182 inventorsTop 40%
🗺 Delaware: #2,574 of 7,163 inventorsTop 40%
Overall (All Time): #1,684,924 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D267437 Disposable ashtray Francis K. Harvey, Larrabee Franks 1982-12-28
D266959 Disposable ashtray Francis K. Harvey, Larrabee Franks 1982-11-16
4349036 Disposable ashtray Francis K. Harvey, Larrabee Franks 1982-09-14