CV

Charles B. Vallance

LE Leco: 2 patents #32 of 94Top 35%
Overall (All Time): #2,370,962 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4282183 Combustion system Roger L. Bredeweg, Larry S. O'Brien 1981-08-04
4275375 Heating element connector and method — 1981-06-23