VXI CORPORATION

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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
D407402 Portable voice recorderAug 11, 97Mar 30, 99[1401]
D406139 Portable voice recorderAug 11, 97Feb 23, 99[1401]
D393262 Portable information storing and retrieving deviceMay 29, 96Apr 07, 98[1401]
5623544 Telephone headset interface circuitMay 17, 93Apr 22, 97[H04M]
5544243 Telephone headset interface circuitAug 10, 94Aug 06, 96[H04M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6453281 Portable audio database device with icon-based graphical user-interfaceExpiredJul 30, 96Sep 17, 02[G06F]
6266424 Electret microphone circuit with low battery disableExpiredNov 12, 97Jul 24, 01[H04R, H02B]
6128384 Self configuring telephone headset amplifierExpiredDec 22, 97Oct 03, 00[H04M]

Top Inventors for This Owner

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