Grant; David C. H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grant; David C. H..The latest application filed is for "water safety system".
- Grant; David C. H. - Selbyville DE
| Patent | Date |
|---|---|
| Water safety system Grant 5,503,175 - Ravilious , et al. April 2, 1 | 1996-04-02 |
| Vacuum air lock for a closed perimeter solvent conservation system Grant 5,343,885 - Grant September 6, 1 | 1994-09-06 |
| Method for cleaning with a volatile solvent Grant 5,304,253 - Grant April 19, 1 | 1994-04-19 |
| Solvent recovery and reclamation system Grant 5,232,476 - Grant August 3, 1 | 1993-08-03 |
| Hollow fiber filter cleaning system and more particularly to the control of emissions from solvent cleaning equipment Grant 5,192,340 - Grant , et al. March 9, 1 | 1993-03-09 |
| Emission control system for fluid compositions having volatile constituents and method thereof Grant 5,106,404 - Grant April 21, 1 | 1992-04-21 |
| Direct condensation refrigerant recovery and restoration system Grant 5,094,277 - Grant * March 10, 1 | 1992-03-10 |
| Direct condensation refrigerant recovery and restoration system Grant 4,969,495 - Grant November 13, 1 | 1990-11-13 |
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