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| All Patents in class 237/63 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,340,844 | Feb. 01, 1944 | E.J. Dillman | Heating Apparatus | heating apparatus | |
| 2,832,569 | Apr. 29, 1958 | R.W. Lewis | Hot and Cold Water Supply Unit | water distribution systems | |