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| Patents for Clark W. Thompson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 198,825 | Jan. 01, 1878 | C.W. Thompson | Improvement in barrel-hoop machines | |
 | 202,073 | Apr. 02, 1878 | C.W. Thompson | Improvement in machines for making barrel-hoops | |
 | 203,509 | May 07, 1878 | C.W. Thompson | Improvement in machines for goring veneers for barrels | |
| 205,923 | Jul. 09, 1878 | C.W. Thompson | Improvement in machines for making barrels | ||
 | 211,436 | Jan. 14, 1879 | C.W. Thompson | Improvement in machines for cutting veneers | |