RTOM CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G10D MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR 615
 
  
 
G10F AUTOMATIC MUSICAL INSTRUMENTS 16

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8933310 Acoustic/electronic drum assemblyNov 09, 11Jan 13, 15[G10F, G10H, G10D]
7781661 Drumhead assemblyApr 06, 09Aug 24, 10[G10D]
7514617 Practice drumhead assemblyJan 19, 06Apr 07, 09[G10D]
7498500 Drumhead assembly with improved reboundJan 18, 07Mar 03, 09[G10D]
6069307 Inflatable musical drumJan 25, 99May 30, 00[G10D]
5637819 Percussion instrument dampingJun 23, 92Jun 10, 97[G10D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5585581 Gel drumhead transducingExpiredJan 16, 96Dec 17, 96[G10D]
5430245 Electroacoustical drumExpiredOct 06, 93Jul 04, 95[G10H]

Top Inventors for This Owner

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