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| Patents for O. E. Hurlburt | |||||
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| Number | Date | Patentee | Title | Type | |
| D28,231 | Feb. 01, 1898 | J. Swan | Design for a Tool-Handle | screwdriver handles | |
| D34,215 | Mar. 12, 1901 | J. Swan | Design for a Firmer Chisel | firmer chisels | |
| 695,660 | Mar. 18, 1902 | J. Swan | Tool Box | tool storage | |
| 792,679 | Jun. 20, 1905 | J. Swan | Screw Driver or Similar Tool | screwdriver handles | |