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Patents for William B. Chambers | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 142,548 | Sep. 09, 1873 | J. Alloways | Improvement in cutter-heads for molding-machines | |
![]() | 154,046 | Aug. 11, 1874 | A.L. Hill | Hog-Ringing Nippers | |
![]() | 158,274 | Dec. 29, 1874 | A.L. Hill | Hog-holding Implements |