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Patents for Herbert G. Briggs | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 214,652 | Apr. 22, 1879 | F. Hanson | Improvement in wood-turning machines | |
![]() | 221,303 | Nov. 04, 1879 | F. Hanson | Scalloping machine | |
![]() | 221,552 | Nov. 11, 1879 | F. Hanson | Turning chisels | |
![]() | 344,160 | Jun. 22, 1886 | H.S. Brownson | Ratcheting Screwdriver |