HYDRO~BLADE, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7300324 Manual propulsion mechanismExpiredMar 07, 06Nov 27, 07[B63H]
7237658 Frictional brake mechanismExpiredDec 22, 04Jul 03, 07[F16D]
7048599 Manually propelled watercraft and propulsion mechanismExpiredDec 22, 04May 23, 06[B63H]
6986690 Propulsion structure for a water craftExpiredJan 28, 05Jan 17, 06[A63B]
6848958 Manually propelled personal flotation deviceExpiredMar 16, 04Feb 01, 05[A63B]
6736688 Manually propelled personal floatation deviceExpiredJun 27, 03May 18, 04[A63B]

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