RD

Richard A. Duba

Illinois Tool Works: 2 patents #1,548 of 4,258Top 40%
📍 Appleton, WI: #733 of 1,506 inventorsTop 50%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,213,540 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6399913 Ergonomic TIG torch Michael Allen Sammons, Ronald W. Colling 2002-06-04
6384374 Spark gap assembly for a welding power supply Ronald W. Colling 2002-05-07