Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4608348 | Glass-ceramics containing cristobalite and potassium fluorrichterite | George Halsey Beall, Linda Ruth Pinckney | 1986-08-26 |
| 4582760 | Glazes for glass-ceramic articles | George Halsey Beall, Paul S. Danielson, Walter H. Tarcza | 1986-04-15 |
| 4467039 | Potassium fluorrichterite glass ceramics and method | George Halsey Beall | 1984-08-21 |
| 4331769 | Tinted spontaneous opal glass | Paul S. Danielson | 1982-05-25 |
| 4329400 | Glass article having a pattern formed in its surface and method | Joseph Ference, Hermann L. Rittler | 1982-05-11 |
| 4323653 | Inhibiting crystallization of opal glass compositions | Hans J. Holland | 1982-04-06 |
| 4311529 | Tinted opal glass | Paul S. Danielson | 1982-01-19 |
| 4212678 | Rapidly crystallized beta-spodumene glass-ceramic materials | Kenneth Chyung | 1980-07-15 |
| 4211820 | Brown glass-ceramic articles | Francis A. Cantaloupe, Robert W. Colegrove, Hermann L. Rittler | 1980-07-08 |
| 4192665 | Rapidly crystallized beta-spodumene glass-ceramic materials | Kenneth Chyung | 1980-03-11 |