SCIENCE DYNAMICS CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04J MULTIPLEX COMMUNICATION 1124
 
  
 
H04M TELEPHONIC COMMUNICATION 1162

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7505406 Public telephone control with voice over internet protocol transmissionJul 13, 01Mar 17, 09[H04J]
5768355 Three-way call detection systemMay 16, 96Jun 16, 98[H04M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5751740 Error detection and correction system for use with address translation memory controllerExpiredDec 14, 95May 12, 98[H03M, G06F]
5157718 Interface adapter permitting tops position to function as directory assistance unitExpiredNov 29, 89Oct 20, 92[H04M]
5023904 Direct telephone dial ordering serviceExpiredOct 12, 89Jun 11, 91[H04M]
4797913 Direct telephone dial ordering serviceExpiredAug 04, 87Jan 10, 89[H04M]

Top Inventors for This Owner

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