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| Patents for D. P. Holloway | |||||
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| Number | Date | Patentee | Title | Type | |
| 81,898 | Sep. 08, 1868 | S.M. Hamilton | Improvement in planing-machines | wood shapers | |
| 89,239 | Apr. 20, 1869 | T.T. Prosser | Improved furnace for liberating and using the gaseous products of coal | ||
| 89,241 | Apr. 20, 1869 | T.T. Prosser | Improvement in steam-generators | steam generators | |
| 91,965 | Jun. 29, 1869 | T.T. Prosser | Improved machine for forming threads on screws | ||
| 278,128 | May 22, 1883 | W.H. Gray | Shingle-sawing machine | shingle machines | |