SIEMENS ROLM COMMUNICATIONS INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04M TELEPHONIC COMMUNICATION 2161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6178236 Method and system for providing password protectionMar 27, 96Jan 23, 01[H04M]
5943410 Automated calling of multiple numbers using directory assistanceAug 02, 96Aug 24, 99[H04M]
D387063 Telephone key expansion unitJun 15, 95Dec 02, 97[1403]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0040,345 RADIO-FREQUENCY HEARING AID PROTECTOR FOR WIRELESS COMMUNICATIONS PRODUCTSAbandonedApr 29, 96Feb 27, 03[H04B]
D374667 TelephoneExpiredJun 02, 95Oct 15, 96[]
D374674 Telephone key expansion unitExpiredJun 02, 95Oct 15, 96[]

Top Inventors for This Owner

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