Grappiolo; Giancarlo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grappiolo; Giancarlo.The latest application filed is for "toner cartridge refilling seal using magnetic material".
- Grappiolo; Giancarlo - Middletown PA
| Patent | Date |
|---|---|
| Toner cartridge refilling seal using magnetic material Grant 5,267,003 - Grappiolo November 30, 1 | 1993-11-30 |
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