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| Patents for C. G. Osteman | |||||
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| Picture | Number | Date | Patentee | Title | |
| 842,757 | Jan. 29, 1907 | C.W. Blood | Belt guiding and tightening mechanism | ||
 | 858,564 | Jul. 02, 1907 | C.W. Blood | Upper cutter-head sharpener for planing-machines | |
| 872,890 | Dec. 03, 1907 | C.W. Blood | Solid-back cutter-head | ||
 | 1,011,107 | Dec. 05, 1911 | C.W. Blood | Cutter-head for planers | |