HEYDON INTERNATIONAL, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0056,456 Thermally insulating building wall structureAbandonedSep 24, 01Mar 27, 03[E04B, E04C]
5505031 Building structure and method of useExpiredMay 04, 94Apr 09, 96[B26D]
5353560 Building structure and method of useExpiredJun 12, 92Oct 11, 94[B26D]
5279088 Wall structure and method of forming the sameExpiredJan 17, 92Jan 18, 94[E04B]

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