Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007521 | Drainage catheter system | Arnold Melman | 1999-12-28 |
| 5779670 | Catheter having lubricated sheathing | Arnold Melman | 1998-07-14 |
| 5546852 | Food preparation assembly | — | 1996-08-20 |
| 4687392 | Torque limiting fastener | — | 1987-08-18 |
| 4425125 | Two-chamber underwater drainage apparatus with oneway outflow valve | Leonard D. Kurtz | 1984-01-10 |
| 4324244 | Two-chamber underwater drainage apparatus with oneway outflow valve and dual hangar retainers | Leonard D. Kurtz | 1982-04-13 |
| D263168 | Portable drainage device | Leonard D. Kurtz | 1982-02-23 |
| 4312351 | Drainage device with separate outflow chamber | Leonard D. Kurtz | 1982-01-26 |
| 4306558 | Portable liquid collection device | Leonard D. Kurtz | 1981-12-22 |
| 4296748 | Underwater drainage apparatus with separable suction control chamber | Leonard D. Kurtz | 1981-10-27 |
| 4261362 | Underwater drainage apparatus with reduced dead air space | Leonard D. Kurtz | 1981-04-14 |
| 4258824 | Sound muffling baffle for drainage device | Leonard D. Kurtz | 1981-03-31 |
| 4249523 | Adjustable orthopedic foot splint | — | 1981-02-10 |
| D255937 | Pleural cavity drainage container | Leonard D. Kurtz | 1980-07-15 |