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Patents for William H. Goodchild | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 114,800 | May 16, 1871 | W.H. Goodchild | Improvement in Joiners Clamps | |
![]() | 114,801 | May 16, 1871 | W.H. Goodchild | Improvement in Joiners Clamps | |
![]() | 136,152 | Feb. 25, 1873 | W.H. Goodchild, S.F. Hay | Improvement in joiners' clamps |