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| All Patents in class 144/195.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 10,720 | Apr. 04, 1854 | S. Andrews | Drop and die forging and punching machine | drop hammers | |
| RE7,788 | Jul. 10, 1877 | W.C. Hicks | Improvement in drop-presses | stamping presses | |
| 246,122 | Aug. 23, 1881 | C.E. Grandy | Wood-splitting machine | wood splitting machines | |
| 632,265 | Sep. 05, 1899 | J. Horton | Drop Hammer | drop hammers | |
| 838,233 | Dec. 11, 1906 | R. Bauer | Power-hammer | drop hammers | |
| 1,307,714 | Jun. 24, 1919 | L.M. Van Slyke | Wood sawing and splitting machine | ||