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Patents for L. L. Armstrong | |||||
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Picture | Number | Date | Patentee | Title | |
1,262,987 | Apr. 16, 1918 | C.A. Sherbeck | Saw | ||
1,263,447 | Apr. 23, 1918 | F.L. McConnell | Saw Setting Tool | ||
1,283,738 | Nov. 05, 1918 | R. Green | Sawing Machine |