Drake; Cyril F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drake; Cyril F..The latest application filed is for "controlled delivery devices".
- Drake; Cyril F. - Harlow GB
| Patent | Date |
|---|---|
| Controlled delivery devices Grant 5,270,048 - Drake December 14, 1 | 1993-12-14 |
| Controlled release system Grant 4,866,097 - Drake , et al. September 12, 1 | 1989-09-12 |
| Method for making sintered glass Grant 4,849,001 - Drake , et al. July 18, 1 | 1989-07-18 |
| Controlled delivery agricultural capsule and method of making Grant 4,793,474 - Drake December 27, 1 | 1988-12-27 |
| Controlled delivery device Grant 4,793,997 - Drake , et al. December 27, 1 | 1988-12-27 |
| Rumen bolus Grant 4,662,879 - Drake , et al. May 5, 1 | 1987-05-05 |
| Controlled release system Grant 4,587,267 - Drake , et al. May 6, 1 | 1986-05-06 |
| Composite materials comprising water-soluble glass particles Grant 4,517,006 - Drake , et al. May 14, 1 | 1985-05-14 |
| Glass encapsulated materials Grant 4,449,981 - Drake , et al. May 22, 1 | 1984-05-22 |
| Corrosion inhibiting paint compositions Grant 4,428,774 - Drake , et al. January 31, 1 | 1984-01-31 |
| Glass composition Grant 4,407,786 - Drake , et al. October 4, 1 | 1983-10-04 |
| Controlled release glass Grant 4,350,675 - Drake September 21, 1 | 1982-09-21 |
| Glass composition Grant 4,349,025 - Drake September 14, 1 | 1982-09-14 |
| Coating compositions for inhibiting corrosion of metal surfaces Grant 4,346,184 - Drake August 24, 1 | 1982-08-24 |
| Titanoborate glass as cross-linking agent in polycarboxylic acid cements Grant 4,340,693 - Drake , et al. July 20, 1 | 1982-07-20 |
| Water setting ion-polymer cements Grant 4,271,057 - Drake , et al. June 2, 1 | 1981-06-02 |
| Controlled release fertilizer Grant 4,148,623 - Drake April 10, 1 | 1979-04-10 |
| Controlled release fertilizer Grant 4,123,248 - Drake October 31, 1 | 1978-10-31 |
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