Crain; N. Robert
Patent Applications and Registrations
Patent applications and USPTO patent grants for Crain; N. Robert.The latest application filed is for "infrared furnace with atmosphere control capability".
- Crain; N. Robert - Huntington Beach CA
| Patent | Date |
|---|---|
| Infrared furnace with atmosphere control capability Grant 4,517,448 - Crain , et al. May 14, 1 | 1985-05-14 |
| Infrared furnace with muffle Grant 4,460,821 - Crain , et al. July 17, 1 | 1984-07-17 |
| Devices for mounting infrared lamps in furnaces Grant 4,406,944 - Crain , et al. September 27, 1 | 1983-09-27 |
| Hazard prevention circuit for immersion heaters Grant 4,103,319 - Crain , et al. July 25, 1 | 1978-07-25 |
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