Chrysalis Development Company, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5368790 Method for making lensesAug 19, 92Nov 29, 94[B29D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6755996 Direct manufacturer of preform for compression moldingExpiredJul 13, 01Jun 29, 04[B29D]
6451227 Method for making eye glass lenses and preforms for use thereinExpiredMay 23, 00Sep 17, 02[B29D]
6180033 Method of making a finished multi-coated and/or laminated eyeglass lensExpiredNov 12, 97Jan 30, 01[B29D]
6074579 Lens blanks and method of making a lens therefromExpiredJun 23, 98Jun 13, 00[B29D]
5662951 Apparatus for making lensesExpiredAug 15, 94Sep 02, 97[B29C]
5630967 Method and apparatus for making lensesExpiredNov 22, 94May 20, 97[B29D]

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