Title: |
1868 Ad-Q. S. Backus, Backus Patent Vise |
Source: |
Worcester City Directory, 1868, pg. 26 |
Insert Date: |
5/21/2022 5:14:43 PM |
US Patent: 78,565
https://www.datamp.org/patents/displayPatent.php?number=78565&typeCode=0
US Patent: D3,130
https://www.datamp.org/patents/displayPatent.php?number=3130&typeCode=2 |
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1868 Q. S. Backus, Backus Patent Vise
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