DH

Douglas Herndon

DM Design Manufacturing: 2 patents #1 of 9Top 15%
📍 Ashtabula, OH: #28 of 94 inventorsTop 30%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,301,245 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5263324 Rotary electrothermal actuator 1993-11-23
5203171 Rotary electrothermal actuator Bradford W. Petot 1993-04-20