Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990023 | Joint for assembling of sieve elements | Georgi Angelov, Bogdan T. Ivanov, Mariela P. Popsavova | 1991-02-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990023 | Joint for assembling of sieve elements | Georgi Angelov, Bogdan T. Ivanov, Mariela P. Popsavova | 1991-02-05 |