E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/42
E21B 23/06 (2006.01)
Patent
CA 322114
Na
The Shell Development Company
LandOfFree
Oil well flowing device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Oil well flowing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oil well flowing device will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-92637