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| Patents for George L. Chindahl | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 833,294 | Oct. 16, 1906 | G.J. Blum | Punching and shearing mechanism | |
 | 877,882 | Jan. 28, 1908 | G.J. Blum | Lathe-dog | |
 | 887,909 | May 19, 1908 | B.F. Barnes | Drilling-machine | |
 | 889,056 | May 26, 1908 | C.C. Spengler | Pencil-sharpener | |
 | 902,643 | Nov. 03, 1908 | G.J. Blum | Punch | |
 | 914,012 | Mar. 02, 1909 | P. Armstrong | Ratchet Drill | |
 | 945,261 | Jan. 04, 1910 | G.J. Blum | Lathe-chuck | |
 | 957,716 | May 10, 1910 | D.B. Salstrom | Carving-machine | |
 | 957,717 | May 10, 1910 | D.B. Salstrom | Carving-machine | |
 | 1,013,618 | Jan. 02, 1912 | D.B. Salstrom | Carving-machine | |