FENNER INVESTMENTS, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284
 
  
 
H04M TELEPHONIC COMMUNICATION 1162
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6151320 Apparatus and method for identifying boundary of asynchronous transfer mode cellSep 23, 97Nov 21, 00[H04L]
5860136 Method and apparatus for use of associated memory with large key spacesDec 28, 93Jan 12, 99[G06F]
5842224 Method and apparatus for source filtering data packets between networks of differing mediaJun 30, 94Nov 24, 98[G06F]
5561706 System for managing access by mobile users to an interconnected communications network where a billing authority is identified by a billing code from the userSep 29, 92Oct 01, 96[H04M, H04Q, G06F]
5490258 Associative memory for very large key spacesSep 29, 92Feb 06, 96[G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7145906 Packet switching nodeExpiredJul 16, 04Dec 05, 06[H04L]
6819670 Data packet routing for mobile networksExpiredJan 08, 99Nov 16, 04[H04L, H04J]
6297751 Low-voltage joystick port interfaceExpiredJul 10, 98Oct 02, 01[H03L]
5809264 Interface with device having unusual access time and method thereofExpiredApr 04, 96Sep 15, 98[G06F]
5095480 Message routing system for shared communication media networksExpiredJun 16, 89Mar 10, 92[H04J]

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