Uncategorized
Inventor
Casing completion and method
Clamp
Oil well hanger
Stab-in conduit couplings
Well completion apparatus and method
No associations
LandOfFree
Robert L. Crain does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Robert L. Crain, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Robert L. Crain will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-79928