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Patents for Inventors' Association | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 95,809 | Oct. 12, 1869 | J. Kindleberger, W.A. Arnold | Improvement in cutter-head | |
![]() | 95,810 | Oct. 12, 1869 | J. Kindleberger, W.A. Arnold | Improvement in machines for tenoning blind-slats |