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| Patents for Joseph P. Bartholomew | |||||
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| Number | Date | Patentee | Title | Type | |
| 777,657 | Dec. 20, 1904 | J.P. Bartholomew | Bit-brace jaws | ||
| 822,714 | Jun. 05, 1906 | J.P. Bartholomew | Ratchet mechanism for tools | ||
| 904,501 | Nov. 24, 1908 | J.P. Bartholomew | Bit-Brace | brace chucks | |