Referenced by|
| US3995333 | 20 Oct 1975 | 7 Dec 1976 | Graning Company | Drain stopper | | US4103372 | 28 Feb 1977 | 1 Aug 1978 | | Pop up drain fitting | | US4339832 | 25 Apr 1980 | 20 Jul 1982 | | Flush mounted pop up drain fitting | | US5165654 | 11 Sep 1991 | 24 Nov 1992 | | Gas control valve | | US5881397 | 12 Nov 1997 | 16 Mar 1999 | LSP Products Group, Inc. | Drain closure | | US5915847 | 25 Feb 1998 | 29 Jun 1999 | | Drain stopper with lift mechanism | | US6088844 | 3 Dec 1998 | 18 Jul 2000 | | Drain stopper | | US7503083 | 23 Aug 2005 | 17 Mar 2009 | WCM Industries, Inc. | Means for covering the flange of a waste water strainer | | US8028357 | 31 Oct 2007 | 4 Oct 2011 | WCM Industries, Inc. | Method and associated apparatus for assembling and testing a plumbing system |
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