Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834655 | Cutting tools | — | 1989-05-30 |
| 4820387 | Method and apparatus for making the inner crowns of composite-layered crowns for restoring crowns | Atsushi Yamashita | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834655 | Cutting tools | — | 1989-05-30 |
| 4820387 | Method and apparatus for making the inner crowns of composite-layered crowns for restoring crowns | Atsushi Yamashita | 1989-04-11 |