Gray; Lew T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gray; Lew T..The latest application filed is for "settling pond separation using permeable fabric and weighting".
- Gray; Lew T. - Greer SC
- Gray; Lew T. - Bartlesville OK
| Patent | Date |
|---|---|
| Settling pond separation using permeable fabric and weighting Grant 4,752,402 - Gray June 21, 1 | 1988-06-21 |
| Apparatus for separation of liquids and solids using fabrics Grant 4,749,479 - Gray June 7, 1 | 1988-06-07 |
| Asphalt and rubber comprising composition Grant 4,158,371 - Reusser , et al. June 19, 1 | 1979-06-19 |
| Asphalt and rubber comprising composition Grant 4,115,335 - Reusser , et al. September 19, 1 | 1978-09-19 |
| Stabilizing open graded asphalt-concrete Grant 4,002,412 - Bennett , et al. January 11, 1 | 1977-01-11 |
| Liner for reservoir of layered liquids Grant 3,949,113 - Draper , et al. April 6, 1 | 1976-04-06 |
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