Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4641155 | Printing head for ink jet printer | — | 1987-02-03 |
| 4625373 | Method of making a printing head for an ink jet printer | Peter L. Duffield, David Hudson | 1986-12-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4641155 | Printing head for ink jet printer | — | 1987-02-03 |
| 4625373 | Method of making a printing head for an ink jet printer | Peter L. Duffield, David Hudson | 1986-12-02 |