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Patents for Charles Sommer | |||||
Number | Date | Patentee | Title | Type | |
89,178 | Apr. 20, 1869 | C. Sommer | Improvement in sawmills | circular sawmills | |
349,323 | Sep. 21, 1886 | C. Sommer | Stave-dressing machine | barrel making machines | |
410,994 | Sep. 10, 1889 | C. Sommer | Stave-dressing machine | barrel making machines | |
501,697 | Jul. 18, 1893 | C. Sommer | Stave-bending machine | cooper | |
504,461 | Sep. 05, 1893 | C. Sommer | Machine for dressing bucked staves | barrel making machines |