Crooks; Walter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Crooks; Walter.The latest application filed is for "polycarbonate ribbon for non-impact printing".
- Crooks; Walter - Los Gatos CA
| Patent | Date |
|---|---|
| Polycarbonate ribbon for non-impact printing Grant 4,103,066 - Brooks , et al. July 25, 1 | 1978-07-25 |
| Electrophotographic developer with fibers of polytetrafluoroethylene Grant 3,977,871 - Crooks August 31, 1 | 1976-08-31 |
| An Electrophotographic Developer Composition Containing Boron Nitride Grant 3,743,682 - Crooks July 3, 1 | 1973-07-03 |
| An Electrostatic Imaging Process Wherein The Developer Includes Boron Nitride Grant 3,632,337 - Crooks January 4, 1 | 1972-01-04 |
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