ALBERT ARTSVELYAN

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LA CRESCENTA, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Weir-type diaphragm valve with raised arcuate bead
- Patent number 6,575,431
- Issue date Jun 10, 2003
- Spears Manufacturing Co.
- Albert Artsvelyan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
WEIR-RYPE DIAPHRAGM VALVE WITH CONCAVE VALVE FEET
- Publication number 20010032958
- Publication date Oct 25, 2001
- ALBERT ARTSVELYAN
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...