Mixing cryolite, chiolite, and fluellite with sand and other common compounds for making glass in order to make a substance that looks similar to porcelain, but is actually glass that can be cast and formed like glass.
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1867 | ||||||
| U |
64,196 | April 30, 1867 | Improvement in the Manufacture of Porcelain Mixing cryolite, chiolite, and fluellite with sand and other common compounds for making glass in order to make a substance that looks similar to porcelain, but is actually glass that can be cast and formed like glass. |
CHEYNEY, Waldron J. |
Haley Insulator | |
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