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Patents for O. B. Osborn
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
352,988Nov. 23, 1886J. Challoner, A. BridgmanDrum sander
449,666Apr. 07, 1891J.E. CarpenterWood-polishing machine
889,468Jun. 02, 1908F.L. LaneSanding-machine
1,010,701Dec. 05, 1911B.D. StevensBand-resaw
1,020,416Mar. 19, 1912W. HarperPlaner-knife-adjusting mechanism
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