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Donald L. Kammerzell

📍 Phoenix, AZ: #46 of 400 inventorsTop 15%
🗺 Arizona: #255 of 2,196 inventorsTop 15%
Overall (2003): #69,606 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6637094 Method for manufacturing a horse race starting gate Scott A. Manion, Mike O'Connor 2003-10-28
6508201 Horse race starting gate Scott A. Manion, Mike O'Connor 2003-01-21