ROLM SYSTEMS, A CORP. OF DE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04M TELEPHONIC COMMUNICATION 1162

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5278897 Smart internodal transfer for subscriber access in multinode voice messaging systemsMar 09, 92Jan 11, 94[H04M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D345978 Telephone setExpiredJun 22, 92Apr 12, 94[]
5278976 Method for detecting infinite loops by setting a flag indicating execution of an idle task having lower priority than executing application tasksExpiredApr 16, 90Jan 11, 94[G06F]
5136637 Method and apparatus for automatic redialing of telephone numbersExpiredJun 22, 90Aug 04, 92[H04M]

Top Inventors for This Owner

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