Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725350 | Very low crystalline silica foamed glass and methods of using the same | Richard L. Lehman, Andrew Ungerleider | 2017-08-08 |
| 8916486 | Method of reducing the occurrence of crystalline silica in foamed glass by the introduction of chemical additives | Richard L. Lehman, Andrew Ungerleider | 2014-12-23 |
| 5983671 | Apparatus and method for manufacturing foamed material | Tai B. Bixby, Ronald D. Argent, Christopher J. Hoyle, David E. Wiltrout | 1999-11-16 |
| 5972817 | Foamed glass article for preparing surfaces, use therefor, and method of making same | Tai B. Bixby, Henry C. Oat, Carl E. Frahme | 1999-10-26 |
| 5821184 | Foamed glass article for preparing surfaces, use therefor, and method of making same | Tai B. Bixby, Henry C. Oat, Carl E. Frahme | 1998-10-13 |