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| All Patents in class 236/85 | |||||
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| Number | Date | Patentee | Title | Type | |
| 81,649 | Sep. 01, 1868 | A. Kipp, Jr. | Improvement in steam and fire-regulators | stationary boilers | |
| 1,138,084 | May 04, 1915 | W.H. Carrier | Safety means for humidity-regulating apparatus | ||