Riesenegger; Helmut
Patent Applications and Registrations
Patent applications and USPTO patent grants for Riesenegger; Helmut.The latest application filed is for "surgical microscope having an illuminating system and control unit therefor".
- Riesenegger; Helmut - Guenzburg DE
- Riesenegger; Helmut - Elchingen DE
| Patent | Date |
|---|---|
| Surgical microscope having an illuminating system and control unit therefor Grant 8,520,303 - Steffen , et al. August 27, 2 | 2013-08-27 |
| Surgical microscope having an illuminating system and control unit therefor App 20100302629 - Steffen; Joachim ; et al. | 2010-12-02 |
| Print-head positioning system having a paper sensor Grant 5,193,918 - Lohrmann , et al. March 16, 1 | 1993-03-16 |
| Printer station with output discharging device for individual sheets Grant 5,061,098 - Engelhardt , et al. October 29, 1 | 1991-10-29 |
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