Guttmann; Hans-Jurgen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Guttmann; Hans-Jurgen.The latest application filed is for "method of determining the refractive index of a substance and apparatus thereof".
- Guttmann; Hans-Jurgen - Wiesbaden DE
| Patent | Date |
|---|---|
| Method of determining the refractive index of a substance and apparatus thereof Grant 4,950,074 - Fabricius , et al. August 21, 1 | 1990-08-21 |
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