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| Patents for H. R. Sullivan | |||||
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| Number | Date | Patentee | Title | Type | |
| 908,142 | Dec. 29, 1908 | P.H. Root | Lawn Mower Grinder | tool grinders | |
| 930,472 | Aug. 10, 1909 | F.I. Harding | Valve Grinder | valve grinding tools | |
| 950,560 | Mar. 01, 1910 | P.H. Root | Lawn Mower Grinder | tool grinders | |
| 966,217 | Aug. 02, 1910 | F.W. King | Electric drill | drill presses | |
| 999,272 | Aug. 01, 1911 | C.W. Stover | Pipe Wrench | pipe wrenches | |