DS

Donald O. Shaffer

CP Champion Spark Plug: 1 patents #18 of 71Top 30%
📍 Temperance, MI: #63 of 110 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #4,123,224 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4232055 Automatic color change electrostatic paint spray system — 1980-11-04