E - Fixed Constructions – 21 – B
Inventor
E - Fixed Constructions
21
B
Inventor
Country: United Kingdom
A quick lock wireline valve/blow-out preventor and methods...
Hydraulic-mechanical jar tool
No associations
LandOfFree
David Trevor Darnell does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with David Trevor Darnell, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and David Trevor Darnell will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-1452427