JK

John E. Kotrla

BT Baroid Technology: 1 patents #36 of 87Top 45%
CI Cameron International: 1 patents #365 of 660Top 60%
Overall (All Time): #2,044,584 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8657013 Riser system Stephen John Walker, William F. Puccio 2014-02-25
5116095 Apparatus for lifting heavy equipment — 1992-05-26