Referenced by|
| US4582081 | 21 Dec 1984 | 15 Apr 1986 | Woodford Manufacturing Company | Vacuum breaker | | US4726390 | 20 Mar 1987 | 23 Feb 1988 | Waltec, Inc. | Hose bibb vacuum breaker | | US4893644 | 31 Aug 1988 | 16 Jan 1990 | Sirio S.p.A. | Non-return valve for supply cocks | | US4909796 | 9 May 1989 | 20 Mar 1990 | | Medical guiding microtubes | | US6119713 | 4 Nov 1998 | 19 Sep 2000 | | Apparatus to prevent rapid multiple flushing | | USD319866 | 20 Jun 1988 | 10 Sep 1991 | Vacu-Purg, Inc. | Vacuum breaker valve |
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