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| Patents for Oscar Amiet | |||||
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| Number | Date | Patentee | Title | Type | |
| CH-324,773 | Oct. 15, 1957 | O. Amiet | Machine tool chuck | drill press chucks | |
| CH-330,589 | Jun. 15, 1958 | O. Amiet | Method for sharpening drill bits and machine for implementing this method | drill sharpening machines | |
| CH-333,287 | Oct. 15, 1958 | O. Amiet | Device for sharpening drill bits using a grinding wheel | drill sharpening machines | |