Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766149 | Mixing and delivery system | Marshall S. Kriesel | 1998-06-16 |
| 5531683 | Mixing and delivery syringe assembly | Marshall S. Kriesel | 1996-07-02 |
| 5514090 | Closed drug delivery system | Marshall S. Kriesel | 1996-05-07 |
| 5484410 | Mixing and delivery system | Marshall S. Kriesel | 1996-01-16 |
| 5385546 | Mixing and delivering system | Marshall S. Kriesel | 1995-01-31 |
| 5385545 | Mixing and delivery system | Marshall S. Kriesel | 1995-01-31 |
| 5372578 | Liquid delivery apparatus | Marshall S. Kriesel | 1994-12-13 |
| 5336180 | Closed drug delivery system | Marshall S. Kriesel | 1994-08-09 |
| 5334197 | Flexible base fluid delivery apparatus | Marshall S. Kriesel, Farhad Kazemzadeh | 1994-08-02 |
| 5330426 | Mixing and delivery syringe assembly | Marshall S. Kriesel | 1994-07-19 |
| 5328464 | Closed drug delivery system | Marshall S. Kriesel | 1994-07-12 |
| 5314405 | Liquid delivery apparatus | Marshall S. Kriesel | 1994-05-24 |
| 5267957 | Closed drug delivery system | Marshall S. Kriesel | 1993-12-07 |
| 5122116 | Closed drug delivery system | Marshall S. Kriesel | 1992-06-16 |