Tejeda; Alvaro R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tejeda; Alvaro R..The latest application filed is for "concentric annular filters for purifying water".
- Tejeda; Alvaro R. - New York NY
| Patent | Date |
|---|---|
| Concentric annular filters for purifying water Grant 5,510,027 - Tejeda April 23, 1 | 1996-04-23 |
| Reversible electrolytic system for softening and dealkalizing water Grant 4,671,863 - Tejeda June 9, 1 | 1987-06-09 |
| System for softening and dealkalizing water by electrodialysis Grant 3,893,901 - Tejeda July 8, 1 | 1975-07-08 |
| System for demineralizing water by electrodialysis Grant 3,869,376 - Tejeda March 4, 1 | 1975-03-04 |
| Method and apparatus for determining exhaustion of a mass of ion exchange material and a device using the same Grant 3,869,382 - Tejeda March 4, 1 | 1975-03-04 |
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