Washington Mills Ceramics Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 129

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5443603 Light weight ceramic abrasive mediaJan 11, 94Aug 22, 95[C09C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5073323 Method and apparatus for producing compacted particulate articlesExpiredMay 30, 90Dec 17, 91[B29B]
5049166 Light weight abrasive tumbling media and method of making sameExpiredFeb 27, 90Sep 17, 91[B24D]

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