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| Patents for Melvin D. Baldwin | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,075,321 | Oct. 14, 1913 | M.D. Baldwin | Machine element | sharpening machines | |
| 1,748,325 | Feb. 25, 1930 | T.R. Renwick, A.S. Kurkjian, M.D. Baldwin | Mortising machine | mortising machines | |