Federmann; Helmut
Patent Applications and Registrations
Patent applications and USPTO patent grants for Federmann; Helmut.The latest application filed is for "window apparatus for providing and directing glare-free sunlight to a room".
- Federmann; Helmut - 51427 Bergisch Gladbach DE
- Federmann; Helmut - Bergisch Gladbach DE
- Federmann; Helmut - Berg. Gladbach DE
| Patent | Date |
|---|---|
| Window apparatus for providing and directing glare-free sunlight to a room Grant 5,802,784 - Federmann September 8, 1 | 1998-09-08 |
| Device for and method of measuring minute elongations by means of light wave conductor sensors Grant 4,900,920 - Federmann , et al. February 13, 1 | 1990-02-13 |
| Light conduit arrangement for monitoring a physical condition of a structural part Grant 4,840,480 - Starke , et al. June 20, 1 | 1989-06-20 |
| Light wave conductor-sensor for tension Grant 4,840,452 - Federmann , et al. June 20, 1 | 1989-06-20 |
| High tensile wire provided with light guide sensor Grant 4,634,217 - Levacher , et al. January 6, 1 | 1987-01-06 |
| Fiber-reinforced drive shaft Grant 4,421,497 - Federmann , et al. December 20, 1 | 1983-12-20 |
| Fiber-reinforced drive shaft Grant 4,380,443 - Federmann , et al. April 19, 1 | 1983-04-19 |
| Fiber-reinforced driveshaft Grant 4,358,284 - Federmann , et al. November 9, 1 | 1982-11-09 |
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