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| Patents for Elmer M. Cobb | |||||
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| Number | Date | Patentee | Title | Type | |
| 709,873 | Sep. 30, 1902 | E.A. Spaulding, E.M. Cobb | Machinist's V-Block | V blocks | |
| 713,062 | Nov. 11, 1902 | E.M. Cobb | Machine for folding metal strips | sheet metal brakes | |