Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5267425 | I-beam joint | Donald M. Onysko | 1993-12-07 |
| 4974389 | Wooden structural member | Donald M. Onysko, Robert K. Elias | 1990-12-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5267425 | I-beam joint | Donald M. Onysko | 1993-12-07 |
| 4974389 | Wooden structural member | Donald M. Onysko, Robert K. Elias | 1990-12-04 |