DC

David T. Callahan

📍 Lynchburg, VA: #5 of 36 inventorsTop 15%
🗺 Virginia: #200 of 1,067 inventorsTop 20%
Overall (1989): #123,755 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4854479 Adjustable cup dispensing assembly Barry A. Moorefield 1989-08-08