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Patents for Daniel E. True | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 16,814 | Mar. 10, 1857 | C.P. Wardwell | Circular sawing machine | |
![]() | 17,536 | Jun. 09, 1857 | C.P. Wardwell | Improvement in cheese-hoops | |
43,886 | Aug. 16, 1864 | D.E. True | Lathe Tool |