Ruffert; Lutz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ruffert; Lutz.The latest application filed is for "breathing apparatus with compensation of the ambient pressure".
- Ruffert; Lutz - Scharbeutz N/A DE
| Patent | Date |
|---|---|
| Breathing apparatus with compensation of the ambient pressure Grant 8,931,482 - Hansmann , et al. January 13, 2 | 2015-01-13 |
| Breathing Apparatus With Compensation Of The Ambient Pressure App 20120017906 - Hansmann; Hans-Ullrich ; et al. | 2012-01-26 |
| Breath alcohol-measuring device with an illuminated mouthpiece Grant 7,833,166 - Ruffert November 16, 2 | 2010-11-16 |
| Breath Alcohol-measuring Device With An Illuminated Mouthpiece App 20080171947 - RUFFERT; Lutz | 2008-07-17 |
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