CHUNG TIN INTERNATIONAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B42F SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING 314
 
  
 
1999 MISCELLANEOUS24

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9914321 Ring binder mechanismApr 22, 16Mar 13, 18[B42F]
D810821 TabMar 10, 17Feb 20, 18[1999]
D791872 TabMay 10, 16Jul 11, 17[1999]
9333794 Ring binder mechanismAug 04, 15May 10, 16[B42F]
9102187 Ring binder mechanismJan 28, 15Aug 11, 15[B42F]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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