B. D. Wait Co. Limited

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4730771 Air ductExpiredMay 27, 86Mar 15, 88[G05D]
4691689 One piece adjustable damperExpiredDec 05, 86Sep 08, 87[F23L]
4482181 Grill lifterExpiredApr 28, 81Nov 13, 84[A47J]
4426990 Camping stoveExpiredApr 28, 81Jan 24, 84[F24C, B65D]

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