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All Patents of Type: center punches | |||||
Number | Date | Patentee | Title | Type | |
34,412 | Feb. 18, 1862 | F. Deluce | Centering Implement | center punches | |
49,553 | Aug. 22, 1865 | S. Sawyer, E.E. Safford | Improved Adjustable Center-Punch | center punches | |
50,442 | Oct. 17, 1865 | M. Bowker | Center-Punch | center punches | |
82,131 | Sep. 15, 1868 | E.E. Lazell | Centering Device | center punches | |
843,655 | Feb. 12, 1907 | J.A. Adell, L.S. Starrett | Automatic Prick-Punch | center punches |