Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437399 | Device for holding writing instruments | Gregory Gelman | 1995-08-01 |
| 5397705 | Multiply mutated subtilisins | Mark M. Zukowski, Linda O. Narhi | 1995-03-14 |
| 5289961 | Device for holding writing instruments | Grigory Gelman | 1994-03-01 |
| 4914031 | Subtilisin analogs | Mark M. Zukowski, Yitzhak Stabinsky | 1990-04-03 |
| 4911706 | Automatic needle cover | — | 1990-03-27 |