Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6029654 | Vented fireplace construction | — | 2000-02-29 |
| 5901701 | Unvented fireplace construction | — | 1999-05-11 |
| 5782231 | Direct vent fireplace | — | 1998-07-21 |
| 5028971 | High power photoconductor bulk GaAs switch | Anderson H. Kim, Maurice Weiner, Robert J. Youmans, Robert J. Zeto, Michelle A. Dornath-Mohr | 1991-07-02 |
| D306202 | Wood burning stove | Carl Higgins | 1990-02-20 |
| 4247358 | Method of growing single crystals of alpha aluminum phosphate | Thomas R. AuCoin, Abraham Schwartz, Roger Malik | 1981-01-27 |