DI

David L. Ingraham

📍 Wilmington, DE: #5 of 164 inventorsTop 4%
🗺 Delaware: #7 of 287 inventorsTop 3%
Overall (1982): #5,393 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

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