Risch; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Risch; David.The latest application filed is for "suspension element for an elevator system".
- Risch; David - Herrliberg CH
- Risch, David - Pudong District Shanghai CN
| Patent | Date |
|---|---|
| Suspension Element For An Elevator System App 20150024891 - Allwardt; Anke ; et al. | 2015-01-22 |
| End-connector and method for fastening a flat-belt type suspension means of an elevator system Grant 8,181,312 - Attinger , et al. May 22, 2 | 2012-05-22 |
| Elevator System, Suspension Element For An Elevator System, And Device For Manufacturing A Suspension Element App 20100133046 - Allwardt; Anke ; et al. | 2010-06-03 |
| End-connector And Method For Fastening A Flat-belt Type Suspension Means Of An Elevator System App 20090084636 - Attinger; Adrian ; et al. | 2009-04-02 |
| Direct drive for an elevator car App 20010015306 - Risch, David ; et al. | 2001-08-23 |
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