William H. Colman

LE Lenco: 2 patents #2 of 7Top 30%

📍 Cape Girardeau, MO: #20 of 80 inventorsTop 25%

🗺 Missouri: #8,863 of 23,789 inventorsTop 40%

Overall (All Time): #2,355,452 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4553013	Gas seal for MIG gun systems	—	1985-11-12
4403136	Arc welding gun with handle assembly	—	1983-09-06