DB

Dale Boysen

SP Spx: 1 patents #15 of 61Top 25%
📍 Plainwell, MI: #2 of 9 inventorsTop 25%
🗺 Michigan: #1,670 of 6,370 inventorsTop 30%
Overall (2003): #244,025 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6662639 Secondary ignition pickup and method William W. Wittliff, III, John Chapin, Robert L. Guiter 2003-12-16