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| Patents for Philander Derby | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 174,184 | Feb. 29, 1876 | G. Benjamin | Improvement in mortising and tenoning machines | |
 | 215,767 | May 27, 1879 | F.F. Parker | Improvement in machines for tenoning chair-legs | |
 | 250,166 | Nov. 29, 1881 | F.F. Parker | Chair leg and arm mortising machine | |
 | 250,167 | Nov. 29, 1881 | F.F. Parker | Machine for boring holes in chair-legs | |