Kring; Elbert V.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kring; Elbert V..The latest application filed is for "self-contained gaseous contaminant dosimeter".
- Kring; Elbert V. - Wilmington DE
| Patent | Date |
|---|---|
| Self-contained gaseous contaminant dosimeter Grant 4,269,804 - Kring * May 26, 1 | 1981-05-26 |
| Dosimeter for measuring gaseous contaminants Grant 4,235,097 - Kring , et al. November 25, 1 | 1980-11-25 |
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