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| All Patents in class 433/126 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 282,044 | Jul. 31, 1883 | W.G. Bonwill | Dental or Surgical Engine | ||
| 1,688,136 | Oct. 16, 1928 | A.P. Jurgensen, H.E. Chayes | Dental Tool Holder | ||