HERAEUS TENEVO AG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0019,246 METHOD AND DEVICE FOR PRODUCING A QUARTZ GLASS BODYAbandonedMar 15, 02Jan 30, 03[C03B]
2002/0157,425 Method for producing a quartz glass bodyAbandonedJan 11, 02Oct 31, 02[C03B]
2002/0116,956 Method for producing quartz glass preform for optical fibersAbandonedJan 31, 02Aug 29, 02[C03B]

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