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| All Patents in class 144/195.7 | |||||
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| Number | Date | Patentee | Title | Type | |
| 101,041 | Mar. 22, 1870 | S.J. Raymond | Improvement in knife for splitting wood | cutters | |
| 153,009 | Jul. 14, 1874 | R. Nesbitt | Improvement in expansible wedges | axes | |
| 206,927 | Aug. 13, 1878 | O.F. Brockhausen | Improvement in Blasting Wedges | ||
| 315,006 | Apr. 07, 1885 | C.R. Countryman | Wedge | wood splitting machines | |