TEKLA PEHR LLC

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
 
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5751949 Data security system and methodMay 23, 95May 12, 98[G06F]
5452124 Unidirectional amplification for bi-directional transmission using wavelength-division multiplexingMar 04, 94Sep 19, 95[H04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0072,461 NOTIFICATION FOR INTERACTIVE CONTENTAbandonedSep 09, 10Mar 24, 11[H04N]
6411681 Traffic track measurements for analysis of network troublesExpiredNov 10, 98Jun 25, 02[H04M]
6385301 Data preparation for traffic track usage measurementExpiredNov 10, 98May 07, 02[H04M]
6370120 Method and system for evaluating the quality of packet-switched voice signalsExpiredDec 24, 98Apr 09, 02[H04L]

Top Inventors for This Owner

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