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| All Patents in class 65/268 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,113X | Oct. 01, 1830 | W. Coffan, Jr. | Cylinder window flattening glass | glassmaker | |
| 7,014X | Apr. 21, 1832 | J.J. Adams | Furnace for flattening window glass | glassmaker | |
| RX-44 | Aug. 06, 1842 | J.J. Adams | Improvement in the Process of Flattening Window Glass | industrial furnaces | |