Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312371 | Method of making a needle sleeve assembly | Robert A. Welch | 1994-05-17 |
| 5279570 | Needle assembly with a movable stylet controlled by a spacer mechanism | Mark I. Evans | 1994-01-18 |
| 5047206 | Reagent test strip | — | 1991-09-10 |
| 4994041 | Needle and catheter assembly | Robert A. Welch | 1991-02-19 |
| 4978344 | Needle and catheter assembly | Robert A. Welch | 1990-12-18 |
| 4959056 | Digital dispenser | Robert A. Welch | 1990-09-25 |
| 4833733 | Method of making cut resistant surgical gloves | Robert A. Welch | 1989-05-30 |
| 4790828 | Self-capping needle assembly | Robert A. Welch | 1988-12-13 |
| 4779290 | Cut resistant surgical gloves | Robert A. Welch | 1988-10-25 |
| 4660570 | Fetal blood sampling instrument | — | 1987-04-28 |
| 4653513 | Blood sampler | — | 1987-03-31 |