QUARTZ ENGINEERING AND MATERIALS, INC.

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TEMPE, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Slotted cantilever diffusion tube system and method and apparatus f...
- Patent number 4,543,059
- Issue date Sep 24, 1985
- Quartz Engineering & Materials, Inc.
- J. S. Whang
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Cantilever diffusion tube apparatus and method
- Patent number 4,526,534
- Issue date Jul 2, 1985
- Quartz Engineering & Materials, Inc.
- Andrew F. Wollmann
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Cantilever diffusion tube apparatus and method
- Patent number 4,459,104
- Issue date Jul 10, 1984
- Quartz Engineering & Materials, Inc.
- Andrew F. Wollmann
- F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73574574 - ATMOSCAN
- Serial number 73574574
- Registration number 1404722
- Filing date Dec 23, 1985
- QUARTZ ENGINEERING AND MATERIALS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments