Feldspar Limited

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Patents Grantslast 30 patents

Information Patent Grant
Purified quartz and process for purifying quartz
- Patent number 5,037,625
- Issue date Aug 6, 1991
- The Feldspar Corporation
- Kenneth B. Loritsch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purified quartz and process for purifying quartz
- Patent number 4,983,370
- Issue date Jan 8, 1991
- The Feldspar Corporation
- Kenneth B. Loritsch
- C01 - INORGANIC CHEMISTRY

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Trademarklast 30 trademarks

Information Trademark
79423142 - F
- Serial number 79423142
- Filing date Feb 24, 2025
- Feldspar Limited
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
79408741 - FELDSPAR
- Serial number 79408741
- Filing date Jun 24, 2024
- Feldspar Limited
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73718411 - UHP CRYSTAL
- Serial number 73718411
- Registration number 1539348
- Filing date Mar 24, 1988
- FELDSPAR CORPORATION, THE
- 19 - Building materials (non-metallic)
Information Trademark
73696141 - HP CRYSTAL
- Serial number 73696141
- Registration number 1552885
- Filing date Nov 18, 1987
- FELDSPAR CORPORATION, THE
- 19 - Building materials (non-metallic)