Boring or penetrating the earth
Bit or bit element
Rolling cutter bit or rolling cutter bit element
Inventor
active
Choke device
Drag-type rotary drill bit
Drag-type rotary drill bit
In or relating to rotary drill bits
Matrix hard facing by lost wax process
No associations
LandOfFree
Douglas Caraway does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Douglas Caraway, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Douglas Caraway will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-105925