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| Patents for William T. Howard | |||||
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| Picture | Number | Date | Patentee | Title | |
| 130,669 | Aug. 20, 1872 | J. Solter | Improvement in trussing-machines | ||
 | 175,766 | Apr. 04, 1876 | C.H. Schminke | Improvement in lathes for turning irregular surfaces | |
 | 201,749 | Mar. 26, 1878 | W.H. Kesler, E.H. Clarkson | Improvement in sash-pulleys | |
 | 209,012 | Oct. 15, 1878 | J.H. Burnshow | Improvement in tools for making rosettes from wood | |
| 512,377 | Jan. 09, 1894 | F.X. Hooper | Apparatus for drying printed or varnished paper | ||