Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670312 | Composition for removal of calcium or magnesium compounds from an article | Jiro Sakurai | 2003-12-30 |
| 6605155 | Remover for scale deposited on titanium material | — | 2003-08-12 |
| 6508332 | Elevator car door locking and unlocking mechanism | Richard L. Fahl, Mark T. Davidson, Mark H. Bayyari | 2003-01-21 |