CK

Charles H. Koster

NS Nu-Bore Systems: 6 patents #1 of 4Top 25%
📍 Alvin, TX: #16 of 157 inventorsTop 15%
🗺 Texas: #21,377 of 125,132 inventorsTop 20%
Overall (All Time): #766,943 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5209600 Method and apparatus for repairing casings and the like 1993-05-11
5188517 Pumping system 1993-02-23
5046558 Method and apparatus for repairing casings and the like 1991-09-10
4971152 Method and apparatus for repairing well casings and the like Clark Clement, A. C. Hill, James M. Baker 1990-11-20
4934312 Resin applicator device A. C. Hill 1990-06-19
4913758 Method and apparatus for repairing casings and the like 1990-04-03
4865127 Method and apparatus for repairing casings and the like 1989-09-12