Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904460 | Nut having frustum disc spring and washer for fastening wooden articles | — | 1999-05-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904460 | Nut having frustum disc spring and washer for fastening wooden articles | — | 1999-05-18 |