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| All Patents in class 433/160 | |||||
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| Number | Date | Patentee | Title | Type | |
| 832,387 | Oct. 02, 1906 | E. Jensen | Bolt or Nail Extractor | nail extractors | |
| 2,252,798 | Aug. 19, 1941 | O.B. Arnold | Dental Forceps | dental tools | |
| 2,447,474 | Aug. 17, 1948 | A.O. Hammond | Device For Expanding Rubber Rings | livestock emasculators | |