Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523053 | Sterilization method and apparatus for spices and herbs | — | 1996-06-04 |
| 4967651 | Apparatus for sterilization of spices and leafy herbs | Ron C. Hsieh, Steven M. Johnson | 1990-11-06 |
| 4844933 | Process for sterilization of spices and leafy herbs | Ron C. Hsieh, Steven M. Johnson | 1989-07-04 |