Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631001 | Antimicrobial grapefruit extract | Elizabeth K. Harich, administratrix | 1997-05-20 |
| 5425944 | Antimicrobial grapefruit extract | — | 1995-06-20 |
| 4468372 | Hygienic air purifying device | Reuben E. Seifert, deceased | 1984-08-28 |