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| All Patents in class 101/4 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 6,332 | Apr. 17, 1849 | J. Essex | Machine for Marking Carpenters' Squares | |
 | 16,817 | Mar. 10, 1857 | H. Whipple | Machine for Stamping Figures on Carpenters' Squares | |
| 443,119 | Dec. 23, 1890 | E.E. Slick | Apparatus for Stamping Metal Bars | ||
| 568,839 | Oct. 06, 1896 | W.A. Cuppers, Jr. | Apparatus for Ornamenting Soft Metal Hollow Ware | ||
| 3,089,412 | May 14, 1963 | H.H. Poort | Bowling Ball Press | ||