WATER MANAGEMENT SERVICES, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6101451 Water management systemExpiredFeb 23, 98Aug 08, 00[G01F]
5969267 Flowmeter having a temper proof housing mounted on a pipe section thereof for a telemetering unit including a battery and a circuitExpiredNov 18, 97Oct 19, 99[G01F]
5855024 Siphon for tank type toiletExpiredFeb 25, 97Jan 05, 99[E03D]
5848441 Pressure assist toiletExpiredFeb 25, 97Dec 15, 98[E03D]
5761748 Siphon for tank type toiletExpiredFeb 25, 97Jun 09, 98[E03D]

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