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| Patents for Thomas G. Harold | |||||
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| Number | Date | Patentee | Title | Type | |
| 10,397 | Jan. 03, 1854 | O. Stoddard | Machinery for sawing logs | reciprocating saws | |
| 14,184 | Feb. 05, 1856 | L. Chapman | Improved Photographic-Plate Vise | ||
| 20,762 | Jun. 29, 1858 | S.F. Forman | Device for securing cutters in rotary planing-machines | cutterheads | |
| 22,101 | Nov. 16, 1858 | J. Lyon, G.H. Brady | Machine for cutting bungs | bung making machines | |
| 22,822 | Feb. 01, 1859 | W.L. Pearsall, S.W. Pearsall | Plate-Vise | ||
| 23,428 | Mar. 29, 1859 | H.J. Lewis | Camera-stand | camera tripods | |