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| Patents for Victor R. Koontz | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,080,565 | Dec. 09, 1913 | V.R. Koontz | Tool Holder | ||
 | 1,209,306 | Dec. 19, 1916 | V.R. Koontz | Collapsible tap | |
 | 1,310,351 | Jul. 15, 1919 | V.R. Koontz | Emmert K1 "New Improved" Universal Vise | |
 | 1,353,048 | Sep. 14, 1920 | V.R. Koontz | Collapsible tap | |
 | 1,356,867 | Oct. 26, 1920 | V.R. Koontz | Collapsible tap | |
 | 1,391,639 | Sep. 20, 1921 | V.R. Koontz | Collapsible tap | |
 | 1,394,845 | Oct. 25, 1921 | V.R. Koontz | Die-head | |
 | 1,456,805 | May 29, 1923 | V.R. Koontz | Die head | |