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| Patents for Thomas Robb Coughtrie | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,799,195 | Jul. 16, 1957 | T.R. Coughtrie | Toggle Release Means For A Pivoted Jaw Wrench | locking pliers | |
| GB-1,332,711 | Oct. 03, 1973 | T.R. Coughtrie | Support Clamps | workbench devices | |