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| Patents for H. M. Puffer | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 106,754 | Aug. 23, 1870 | C.P. Whitman | Improvement in bit-stocks | |
 | 212,110 | Feb. 11, 1879 | D. Powers, O. Peck | Improvement in bit-stocks | |
 | 1,272,613 | Jul. 16, 1918 | L. Broemel | Machine-stand | |