Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867258 | Apparatus for weighing powder materials | Yoshimoto Kosegawa | 1989-09-19 |
| 4846292 | Apparatus for automatically measuring ignition loss | — | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867258 | Apparatus for weighing powder materials | Yoshimoto Kosegawa | 1989-09-19 |
| 4846292 | Apparatus for automatically measuring ignition loss | — | 1989-07-11 |