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| Patents for Joseph L. Coombs | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 289,978 | Dec. 11, 1883 | J. Chase | Slide-knife lathe | |
 | 302,468 | Jul. 22, 1884 | J. Chase | Gas and oil chandelier | |
 | 304,980 | Sep. 09, 1884 | T.H. Webster | Molding Machine Attachment—Embosser | |
 | 336,868 | Feb. 23, 1886 | G.M. Pratt | Dividers | |
 | 349,983 | Sep. 28, 1886 | G. Daimler | Motor Engine | |
 | 475,597 | May 24, 1892 | J.J. McNamar | Traction Engine | |
 | 482,232 | Sep. 06, 1892 | C.W. Delaney | watchmaker's tweezers | |
 | 547,298 | Oct. 01, 1895 | S.J. Shimer | Cutter-head | |