Virtual DSP Corporation

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Patent Activity in the Last 10 Years

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D401267 Guitar headstockJan 21, 98Nov 17, 98[1703]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5619004 Method and device for determining the primary pitch of a music signalExpiredJun 07, 95Apr 08, 97[G10H]
5591931 Musical signal multiplexing circuit and demultiplexing systemExpiredJan 17, 95Jan 07, 97[G10H]

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