- LandOfFree
- Inventors
- Boring or penetrating the earth
- Bit or bit element
- With helical-conveying portion
Details
Josef Fuenfer
Josef
Fuenfer
- Patent Class
Boring or penetrating the earth
- SubClass
Bit or bit element
- SubSubClass
With helical-conveying portion
- Specialty
Inventor
- Status
active
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Profile ID: LFUS-PAI-P-1838649
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