WM K. WALTHERS, INC.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A63H TOYS, e.g. TOPS, DOLLS, HOOPS, BUILDING BLOCKS230
 
  
 
A63F CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; GAMES NOT OTHERWISE PROVIDED FOR 178

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D421280 Coupler for model railroad carsOct 24, 97Feb 29, 00[2101]
5690278 Track systems for model railroadsJan 16, 96Nov 25, 97[A63H]
5403004 Slot car racing set with intermittent obstructionFeb 22, 94Apr 04, 95[A63F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4832156 Spring motorExpiredJan 28, 88May 23, 89[G04B, F16H, F03G]

Top Inventors for This Owner

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