Datawatt B.V.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5093828 Method of exchanging dataExpiredMar 16, 90Mar 03, 92[H04L, H04B]
4809296 Method for transmitting data via the lines of a power supply systemExpiredFeb 11, 87Feb 28, 89[H04B]
4799238 Differential phase shift keying method for the transmission of dataExpiredJul 15, 87Jan 17, 89[H04L, H04B]
4756009 Method for transmitting digital dataExpiredJul 02, 86Jul 05, 88[H04L, H04B]

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