Four-Edged Drill
Patent No. EP3681660 (titled "Four-Edged Drill") was filed by Ghring on Sep 5, 2018. The application was issued on May 1, 2024.
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Date
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EP3681660
- Application Number
- EP18769616A
- Filing Date
- Sep 5, 2018
- Status
- Granted And Under Opposition
- Mar 29, 2024
- Publication Date
- May 1, 2024
- External Links
- Slate, Register , Google Patents