Boring or penetrating the earth
Bit or bit element
Rolling cutter bit or rolling cutter bit element
Inventor
active
Asymmetrical button insert for rock drilling
Asymmetrical button insert for rock drilling
Cemented carbide body with increased wear resistance
Rock drill bit and cutting inserts
Rock drill bit and cutting inserts
No associations
LandOfFree
Torbjorn Hartzell does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Torbjorn Hartzell, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Torbjorn Hartzell will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1012269