Hellstrom; Bengt
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hellstrom; Bengt.The latest application filed is for "method of measuring the dispersion of a transmitting optical fibre".
- Hellstrom; Bengt - Farsta SE
- Hellstrom; Bengt - Goteborg SW
| Patent | Date |
|---|---|
| Method of measuring the dispersion of a transmitting optical fibre Grant 4,637,072 - Hellstrom January 13, 1 | 1987-01-13 |
| Cyclone Furnace Having Ash Removal Means Grant 3,834,327 - Hellstrom , et al. September 10, 1 | 1974-09-10 |
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