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| Patents Granted on 1855-03-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 12,500 | Mar. 13, 1855 | W.E. Arnold | Sash Fastener | ||
| 12,502 | Mar. 13, 1855 | J.M. Bottum | Polishing Apparatus for Watchmakers' Lathes | watchmakers lathes | |
| 12,507 | Mar. 13, 1855 | N.T. Greene | Cut-off valve for steam-engines | steam engine valve gear | |
| 12,510 | Mar. 13, 1855 | J. Hyde | Improvement in Screw-Wrenches | quick adjust wrenches | |
| GB-185,500,561 | Mar. 13, 1855 | J. Gracie | Improvements in wood-planing machines | wood planers | |