WH

Walter Hurst

HM Hmt: 1 patents #12 of 29Top 45%
Overall (All Time): #4,063,185 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4308968 Secondary seal for tank having floating roof Roger W. Thiltgen, T. Richard Mathews 1982-01-05