Uncategorized
Inventor
Drilling methods and apparatus employing out-of-phase...
Internal pressure equalizing means in rotary rock bits
Journal bearings
Rock bit with replaceable nozzle
Shock absorbing and static load supporting drill string...
No associations
LandOfFree
M. Galle Edward does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with M. Galle Edward, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and M. Galle Edward will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-786928