JD

John H. Drane

DU Duracell: 1 patents #2 of 13Top 20%
📍 Kensington, GB: #1 of 1 inventorsTop 100%
Overall (1989): #9,605 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4875146 Flashlight bulb mounting 1989-10-17
D302545 Push button door chime 1989-08-01
D300528 Push button bell chime 1989-04-04