Drope; Eckard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drope; Eckard.The latest application filed is for "method and an apparatus for monitoring the subjection of individual people to harmful gases".
- Drope; Eckard - Cologne DE
| Patent | Date |
|---|---|
| Method and an apparatus for monitoring the subjection of individual people to harmful gases Grant 4,384,283 - Drope , et al. May 17, 1 | 1983-05-17 |
| Plaque for measuring the dose of reactive gases Grant 4,271,121 - Diller , et al. June 2, 1 | 1981-06-02 |
| Apparatus for checking gas analysis devices Grant 4,267,030 - Breuer , et al. May 12, 1 | 1981-05-12 |
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