HAYES MICROCOMPUTER PRODUCTS, INC.

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Patent Activity in the Last 10 Years

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Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D397673 Multiple position enclosure for electronics deviceApr 29, 97Sep 01, 98[1402]
D394267 ModemNov 18, 96May 12, 98[1403]
D384649 Mini-tower enclosure for electronics deviceJun 18, 96Oct 07, 97[1402]
D384650 Multiple position enclosure for electronics deviceJun 18, 96Oct 07, 97[1402]
D384672 ModemJul 01, 96Oct 07, 97[1403]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D368097 ModemExpiredJun 05, 95Mar 19, 96[]
D361570 Portable modemExpiredNov 04, 92Aug 22, 95[]
D359287 ModemExpiredApr 15, 94Jun 13, 95[]
D346606 ModemExpiredJul 24, 92May 03, 94[]
D346607 Extender enclosureExpiredSep 09, 92May 03, 94[]
D321178 Data communications peripheralExpiredNov 06, 89Oct 29, 91[]
D320389 Data communications peripheralExpiredNov 06, 89Oct 01, 91[]
D318655 Data communications peripheralExpiredJul 27, 89Jul 30, 91[]
D318656 Data communications peripheralExpiredNov 13, 89Jul 30, 91[]
D314560 Modem or similar articleExpiredJun 02, 88Feb 12, 91[]
D309132 Modem or similar articleExpiredFeb 22, 88Jul 10, 90[]
D304935 Modem or similar articleExpiredFeb 03, 87Dec 05, 89[]
D304936 Modem or similar articleExpiredMay 08, 87Dec 05, 89[]
4868864 Autocorrelating 2400 bps handshake sequence detectorExpiredApr 01, 88Sep 19, 89[H04M]
4857378 Molded slanted front panel bezel for electronics enclosureExpiredJun 03, 88Aug 15, 89[B65D]
4716499 Enclosed circuit board assemblyExpiredJul 28, 86Dec 29, 87[H05K]
4633183 Constant resolution frequency synthesizerExpiredFeb 28, 85Dec 30, 86[H03L]
4504802 Digital PSK modulator for modemExpiredJul 27, 83Mar 12, 85[H04L]
D269345 ModemExpiredJun 29, 81Jun 14, 83[D130, D140]

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