Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8551898 | Glass compositions with improved chemical and mechanical durability | Steven Edward DeMartino, Melinda Ann Drake, Robert Michael Morena, Santona Pal, Robert Anthony Schaut | 2013-10-08 |
| 5304586 | Radiopaque fluoride releasing VLC dental composites and the use of specific fillers therein | Paul D. Hammesfahr, Robert Campbell | 1994-04-19 |
| 4746634 | Solarization-resistant glass microsheet | — | 1988-05-24 |
| 4693987 | Molybdenum sealing glasses | — | 1987-09-15 |
| 4607016 | Glass for use as tungsten-halogen lamp envelopes | Lloyd G. Young | 1986-08-19 |
| 4582760 | Glazes for glass-ceramic articles | George Halsey Beall, John E. Megles, Jr., Walter H. Tarcza | 1986-04-15 |
| 4379851 | Tinted borosilicate glasses | Ronald P. Mattison, Albert J. Werner | 1983-04-12 |
| 4331769 | Tinted spontaneous opal glass | John E. Megles, Jr. | 1982-05-25 |
| 4311529 | Tinted opal glass | John E. Megles, Jr. | 1982-01-19 |
| 4302250 | Glass envelopes for tungsten-halogen lamps | — | 1981-11-24 |
| 4255198 | Glass for sealing to molybdenum metal | William H. Dumbaugh, Jr., Henry E. Hagy | 1981-03-10 |
| 4249946 | Detergent-durable glasses | — | 1981-02-10 |
| 4235634 | Colored soda-lime glassware | David C. Boyd, Joseph Ference | 1980-11-25 |