Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842646 | Substantive dyes, inks and dye baths | — | 1989-06-27 |
| 4801947 | Electrodeposition-produced orifice plate of amorphous metal | John A. Lichtenberger | 1989-01-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842646 | Substantive dyes, inks and dye baths | — | 1989-06-27 |
| 4801947 | Electrodeposition-produced orifice plate of amorphous metal | John A. Lichtenberger | 1989-01-31 |