BC

Bruce M. Costa

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,988,243 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4562860 Ball valve having easy maintenance features for extreme environments John Walter, Harry E. Eminger 1986-01-07