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| Patents for Silsby, Race & Holly | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,094 | Jul. 06, 1852 | B. Holly | Hand-plane | bench planes | |
| 11,403 | Jul. 25, 1854 | B. Holly | Mortising-machine | mortising machines | |
| 14,239 | Feb. 12, 1856 | B. Holly | Rotary Steam Engine | rotary steam engines | |
| 20,796 | Jul. 06, 1858 | A.P. Holly | Rotary Pump | rotary pumps | |