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| All Patents in class 236/96 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,443 | Apr. 04, 1846 | W. Race | Register for stoves | stoves | |
| RE1,139 | Feb. 19, 1861 | W. Race | Improvement in registers for stoves | ||
| 1,919,743 | Jul. 25, 1933 | S.E. Peters | Temperature controlled furnace fan | furnaces | |