Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541260 | Guard plate and alarm | Efim Rubinshtein | 1985-09-17 |
| 4365491 | Guard plate | Efim Rubinshtein | 1982-12-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541260 | Guard plate and alarm | Efim Rubinshtein | 1985-09-17 |
| 4365491 | Guard plate | Efim Rubinshtein | 1982-12-28 |