Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6397431 | Spring assembly normally inactive that opts for causing towards any position with reciprocative door closer devices | — | 2002-06-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6397431 | Spring assembly normally inactive that opts for causing towards any position with reciprocative door closer devices | — | 2002-06-04 |