Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804110 | Apparatus, method and article for applying a melted adhesive | Charles R. Sperry | 1989-02-14 |
| 4735619 | Syringe and syringe actuator | Charles R. Sperry | 1988-04-05 |
| 4568003 | Detachable mixing chamber for a fluid dispensing apparatus | Charles R. Sperry | 1986-02-04 |
| 4469251 | Detachable mixing chamber for a fluid dispensing apparatus | Charles R. Sperry | 1984-09-04 |