Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251917 | Fire-resistant seal | Wan T. Chee | 1993-10-12 |
| 4557441 | Band tensioning device | — | 1985-12-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251917 | Fire-resistant seal | Wan T. Chee | 1993-10-12 |
| 4557441 | Band tensioning device | — | 1985-12-10 |