Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951863 | Water purification using reverse osmosis device for formulation of medical solution | Robert J. Kruger, Warren P. Frederick, R. Hayes Helgren, Mark E. Larkin, Joaquin Mayoral +2 more | 1999-09-14 |
| 5498338 | Peritoneal dialysis system using reverse osmosis purification device | Robert J. Kruger, Warren P. Frederick, R. Hayes Helgren, Mark E. Larkin, Joaquin Mayoral +2 more | 1996-03-12 |
| 5312547 | Medical drug formulation and reverse osmosis purification device | Robert J. Kruger, Warren P. Frederick, William J. Hook, Mark E. Larkin, Joaquin Mayoral +2 more | 1994-05-17 |