Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8561365 | Versatile hybrid window system | Scott D. Albrecht, James L. Peterson | 2013-10-22 |
| 7816343 | Wood preservative composition | — | 2010-10-19 |
| 4778598 | Separation of ash from regenerated adsorbent | Marvin J. Dietrich, Thomas Oettinger | 1988-10-18 |
| 4735729 | Ash concentration and disposal method | Marvin J. Dietrich, Thomas Oettinger | 1988-04-05 |