DB

Donald A. Boyd

CA Cardinal American: 2 patents #3 of 11Top 30%
📍 Euclid, OH: #143 of 312 inventorsTop 50%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,373,473 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D256214 Fireplace grate — 1980-08-05
4203417 Fireplace heater and grate — 1980-05-20