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| All Patents in class 126/285R | |||||
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| Number | Date | Patentee | Title | Type | |
| 385,692 | Jul. 10, 1888 | R.H. Arnold, E.S. Staples | Automatic damper | steam heating | |
| 1,698,563 | Jan. 08, 1929 | D.W. Robb | Boiler | ||