Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445831 | Psyllium-containing products | Paul D. Leis, Jr, Karen R. Hafer | 1995-08-29 |
| 5234687 | Method of making an unflavored psyllium drink mix | Melvin A. Barbera, Amy Michelle Martini | 1993-08-10 |
| 5224655 | Processes for selectively comminuting and purifying psyllium seed husk | Melvin A. Barbera | 1993-07-06 |
| 5149541 | Psyllium-containing produces with a distribution of particle size | Paul D. Leis, Jr., Karen R. Hafer | 1992-09-22 |
| 5048760 | Process for selectively comminuting and purifying psyllium seed husk | Melvin A. Barbera | 1991-09-17 |
| 4507351 | Strong laminate | Robert C. Johnson | 1985-03-26 |