Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213609 | Process for extracting precious metals | Michael Stoychevski | 1993-05-25 |
| 4955758 | Reinforcing method and means | — | 1990-09-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213609 | Process for extracting precious metals | Michael Stoychevski | 1993-05-25 |
| 4955758 | Reinforcing method and means | — | 1990-09-11 |