HURSTWOOD FARM PIANO STUDIOS LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G10C PIANOS 39
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8217244 String-bridge interface system and methodSep 24, 10Jul 10, 12[G10C]
7884271 String-bridge interface system and methodOct 28, 09Feb 08, 11[G10C]
7807906 String-bridge interface system and methodMar 11, 09Oct 05, 10[G01D]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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