WC

William James Campbell

CM Chapin Manufacturing: 2 patents #6 of 11Top 55%
📍 Clarence, NY: #5 of 21 inventorsTop 25%
🗺 New York: #2,670 of 13,306 inventorsTop 25%
Overall (2020): #108,361 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10736263 Controlled-release spreader Ed Horeth, David Dubiel 2020-08-11
D873865 Particulate spreader Edward Horeth 2020-01-28