RD

Richard A. Duba

Illinois Tool Works: 2 patents #19 of 260Top 8%
📍 Appleton, WI: #44 of 175 inventorsTop 30%
🗺 Wisconsin: #417 of 3,225 inventorsTop 15%
Overall (2002): #45,369 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

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