Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6277416 | Pesticides comprising benzophenanthridine alkaloids | Donald Meyer | 2001-08-21 |
| 5395615 | Free amine benzophenanthridine alkaloid compositions | Kenneth C. Godowski, Richard L. Dunn, Arthur J. Tipton | 1995-03-07 |
| 5324520 | Intragingival delivery systems for treatment of periodontal disease | Richard L. Dunn, Arthur J. Tipton, Jack A. Rogers | 1994-06-28 |
| 5175000 | Free amine benzophenanthridine alkaloid compositions | Kenneth C. Godowski, Richard L. Dunn, Arthur J. Tipton | 1992-12-29 |
| 5133981 | Purification of benzophenanthridine alkaloids extracts from alkaloid extracts | Richard R. Jones | 1992-07-28 |
| 5066483 | Oral rinse compositions | Richard R. Jones, Kenneth S. Peterson | 1991-11-19 |
| 5013553 | Drug delivery devices | G. Lee Southard | 1991-05-07 |
| 4975271 | Muscosal delivery systems for treatment of periodontal disease | Richard L. Dunn, Kenneth C. Godowski, George L. Southard | 1990-12-04 |