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| All Patents in class 60/39.464 | |||||
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| Number | Date | Patentee | Title | Type | |
| 32,455 | May 28, 1861 | P. Shaw | Hot Air Engine | hot air engines | |
| RE3,313 | Feb. 23, 1869 | P. Shaw | Hot Air Engine | hot air engines | |
| 120,325 | Oct. 24, 1871 | A.K. Rider | Improvement in Air Engines | hot air engines | |