Kelly Knighton

Follow

Person

West Jordan, UT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic inner barrel in a drill string coring tool
- Patent number 4,664,205
- Issue date May 12, 1987
- Norton Christensen, Inc.
- Kelly Knighton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self activating, positively driven concealed core catcher
- Patent number 4,606,416
- Issue date Aug 19, 1986
- Norton Christensen, Inc.
- Kelly Knighton
- E21 - EARTH DRILLING MINING