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| Patents for Lyman W. Griswold | |||||
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| Number | Date | Patentee | Title | Type | |
| 649,379 | May 08, 1900 | R.P. Whipple | Bench hook | bench stops | |
| 721,379 | Feb. 24, 1903 | N.E. Martin | Calipers or Dividers | calipers | |