Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6194199 | Cell scraper device having blade on handles with pivotal joints | — | 2001-02-27 |
| 6170359 | Micro tube cap opening device with tube holder and slidable lifting bar | — | 2001-01-09 |
| 6098802 | Deep well rack assembly for pipette tips and the like | Michael Hoffman | 2000-08-08 |
| 4917274 | Miniscule droplet dispenser tip | Maurice Asa | 1990-04-17 |
| D300561 | Fluid dispenser tip | Maurice Asa | 1989-04-04 |
| 4674640 | Cap structure for a centrifuge tube | Maurice Asa | 1987-06-23 |