Assignee
EMPRESA NACIONAL ALUMINIO
ES·4 granted patents·29 citations·filing 1975–1985
Top patents by PatentIndex Score
4 records- 0145US4338176ASystem for generating and autocontrolling the voltage or current wave form applicable to processes for the electrolytic coloring of anodized aluminiumEMPRESA NACIONAL ALUMINIO·Filed 1979·Granted Jul 6, 1982·15 cites·7 claims
- 0233US4011152ASystem for autocontrolling and regulating the average value of the voltage applied to processes for the electrolytic coloring of anodized aluminumEMPRESA NACIONAL ALUMINIO·Filed 1975·Granted Mar 8, 1977·7 cites·3 claims
- 0330US4430168AProcess for electrolytically coloring aluminium and the alloys thereofEMPRESA NACIONAL ALUMINIO·Filed 1981·Granted Feb 7, 1984·5 cites·4 claims
- 0422US4632735AProcess for the electrolytic coloring of aluminum or aluminum alloysEMPRESA NACIONAL ALUMINIO·Filed 1985·Granted Dec 30, 1986·2 cites·4 claims
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