Letschert; Hans-Peter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Letschert; Hans-Peter.The latest application filed is for "nickel-free green pigment".
- Letschert; Hans-Peter - Hanau DE
- Letschert; Hans-Peter - Bonn DE
| Patent | Date |
|---|---|
| Nickel-free Green Pigment App 20150353706 - Letschert; Hans-Peter ; et al. | 2015-12-10 |
| Nickel-free green pigment Grant 9,187,617 - Letschert , et al. November 17, 2 | 2015-11-17 |
| Display screen, in particular a color display screen, coating of the same and means for producing the coating Grant 6,673,473 - Letschert January 6, 2 | 2004-01-06 |
| Display screen, in particular a colour display screen, coating of the same and means for producing the coating App 20020090560 - Letschert, Hans-Peter | 2002-07-11 |
| Oxonitrides of the formula LnTaON.sub.2 with enhanced brightness and a process for their use Grant 5,693,102 - Jansen , et al. December 2, 1 | 1997-12-02 |
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