Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403509 | Grey glass composition and method of making same | Gary Seldon Cochran, Ksenia A. Landa, Leonid Landa | 2002-06-11 |
| 6274523 | Gray glass composition | John F. Krumwiede, Larry J. Shelestak, David R. Haskins | 2001-08-14 |
| 6235666 | Grey glass composition and method of making same | Gary Seldon Cochran, Ksenia A. Landa, Leonid Landa | 2001-05-22 |
| 6114264 | Gray glass composition | John F. Krumwiede, Larry J. Shelestak | 2000-09-05 |
| 5932502 | Low transmittance glass | Robert Alan Yates | 1999-08-03 |
| 5565388 | Bronze glass composition | John F. Krumwiede, Larry J. Shelestak | 1996-10-15 |
| 5393593 | Dark gray, infrared absorbing glass composition and coated glass for privacy glazing | Joseph A. Gulotta, John F. Krumwiede, Luke A. Kutilek, Robert B. Heithoff | 1995-02-28 |
| 5385593 | Selenium encapsulation for producing colored glass | — | 1995-01-31 |