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| Patents for David Stewart | |||||
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| Picture | Number | Date | Patentee | Title | |
| 8,937X | Jun. 26, 1835 | D. Stewart | Flasks and patterns for moulding iron tea kettles | ||
 | 13,035 | Jun. 12, 1855 | M.T. Kennedy | Machine for planing staves | |
 | 13,036 | Jun. 12, 1855 | M.T. Kennedy | Machine for jointing staves | |
 | 303,893 | Aug. 19, 1884 | D. Stewart | Machine for cutting tie-bands for bundling shingles | |
 | 680,742 | Aug. 20, 1901 | D. Stewart | Spanner or Pipe Wrench | |
 | 892,326 | Jun. 30, 1908 | D. Stewart | Nut and Pipe Wrench | |
 | 892,327 | Jun. 30, 1908 | D. Stewart | Nut and Pipe Wrench | |