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| Patents for Henry B. Larzelere | |||||
| Number | Date | Patentee | Title | Type | |
| 299,484 | May 27, 1884 | H.B. Larzelere | Portable Engine | portable steam engines | |
| 300,270 | Jun. 10, 1884 | H.B. Larzelere | Portable Engine | portable steam engines | |
| 300,271 | Jun. 10, 1884 | H.B. Larzelere | Traction Engine | traction engine suspensions | |