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| All Patents in class 144/4.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 817,628 | Apr. 10, 1906 | J.A. Cummiskey | Machine for crosscutting firewood | ||
 | 1,547,096 | Jul. 21, 1925 | L.E. Crouse | Grooving machine | |
| 1,765,987 | Jun. 24, 1930 | G.s. Marion | Machine for sawing timbers | ||
| 3,348,592 | Oct. 24, 1967 | R.W. Wagner, R.A. Winblad | Timber Harvesting Machine | ||
 | 3,557,849 | Jan. 26, 1971 | E.O. Martinson | Tree harvester | |
 | 3,709,267 | Jan. 09, 1973 | J. Kurelek | Log handling mechanism for tree harvesters | |
| 3,783,725 | Jan. 08, 1974 | M. Payeur | Mechanical shears | ||