DP

David B. Parkinson

GO Gould: 1 patents #131 of 364Top 40%
📍 Cleveland Heights, OH: #391 of 614 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,107,628 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4192049 Method of manufacturing battery plates Truman D. Parkinson 1980-03-11