Boring or penetrating the earth
With magazine for successively moving unconnected, oriented...
Inventor
active
Drill pipe handling mechanism
Drill pipe handling mechanism
Power feed system for a rotary drill
No associations
LandOfFree
Hans Zingl does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Hans Zingl, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hans Zingl will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-482815