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| Patents for C. H. Watson | |||||
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| Number | Date | Patentee | Title | Type | |
| 138,552 | May 06, 1873 | J.T. Baggs | Improvement in sawing-machines | tablesaws | |
| 152,392 | Jun. 23, 1874 | D. Mater, Jr. | Improvement in sawing-machines | drag saws | |
| 168,406 | Oct. 05, 1875 | F.S. Ober | Ratchet-Wrench | ratchet wrenches | |
| RE6,858 | Jan. 11, 1876 | M.S. Drake | Improvement in machines for pouncing hats | ||
| 190,959 | May 22, 1877 | H. Davis | Wrench | self-adjust wrenches | |
| 197,618 | Nov. 27, 1877 | M.S. Drake | Improvement in spring-scales for weighing | scales and balances | |