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| Patents for Nathan E. Martin | |||||
| Number | Date | Patentee | Title | Type | |
| 592,044 | Oct. 19, 1897 | R.S. Bascom, N.E. Martin | Die and die-stock | taps and dies | |
| 721,379 | Feb. 24, 1903 | N.E. Martin | Calipers or Dividers | calipers | |