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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS 225
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 146

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8966859 Staircase and method for constructionMar 05, 14Mar 03, 15[E04B, E04F]
8707638 Staircase and method for constructionApr 03, 12Apr 29, 14[E04F]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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