Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855306 | Process for the recovery of sodium nitrite | Walter H. Bortle, Jr. | 2005-02-15 |
| 5919377 | System for transporting solid materials | Andrew Chisholm, Samuel L. Bean, Mark D. Dulik | 1999-07-06 |
| 5017301 | Method for permanganate bleaching of fabric and garments | Samuel L. Bean, Mark D. Dulik | 1991-05-21 |
| 4795476 | Method for permanganate bleaching of fabric and garments | Samuel L. Bean, Mark D. Dulik | 1989-01-03 |