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| Patents for Martin Backstrom | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 651,816 | Jun. 19, 1900 | M. Backstrom | Friction driving-clutch | |
 | 669,407 | Mar. 05, 1901 | M. Backstrom | Feed mechanism for drilling, boring, or like machines | |
 | 935,452 | Sep. 28, 1909 | M. Backstrom | Ball-bearing | |