Block; Leo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Block; Leo.The latest application filed is for "selective emissive cooking stove".
- Block; Leo - San Clemente CA
- Block; Leo - Westlake Village CA
- Block; Leo - Woodland Hills CA
- Block; Leo - Temple City CA
| Patent | Date |
|---|---|
| Selective emissive cooking stove Grant 5,400,765 - Goldstein , et al. March 28, 1 | 1995-03-28 |
| Securement of heat exchanger surfaces to tubes by lock seaming and method of fabrication Grant 4,160,476 - Ashton , et al. July 10, 1 | 1979-07-10 |
| Securement of heat exchanger surfaces to tubes and method of fabrication Grant 4,158,908 - Block , et al. June 26, 1 | 1979-06-26 |
| Temperature control of heat exchanger with bypass Grant 4,086,956 - Block , et al. May 2, 1 | 1978-05-02 |
| Control valve means particularly adapted for swimming pool heater installations embodying a solar heater Grant 4,061,132 - Ashton , et al. December 6, 1 | 1977-12-06 |
| Means For Sealing Membrane Carrying Tubes Grant 3,786,925 - Block , et al. January 22, 1 | 1974-01-22 |
| Stackless Outdoor Heater Adapted For Swimming Pools Grant 3,623,458 - Block November 30, 1 | 1971-11-30 |
| Valve Control System Grant 3,576,292 - Block April 27, 1 | 1971-04-27 |
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