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| Patents for Dallas R. Trinkle | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,559,097 | Jul. 03, 1951 | D.R. Trinkle | Reproducing Machine | profiling machines | |
| 2,704,012 | Mar. 15, 1955 | D.R. Trinkle | Automatic Profiling Machine | profiling machines | |
| 2,771,807 | Nov. 27, 1956 | D.R. Trinkle | Tool holder | metal lathe accessories and attachments | |