|
| US4550453 | 2 Ago 1984 | 5 Nov 1985 | Marion E. Norman | Compact, portable drain to empty and clean a recreational vehicle holding tank |
| US4667351 | 23 Abr 1985 | 26 May 1987 | | Spray flushing attachment for vehicle holding tanks and the combination thereof |
| US5588459 | 16 Nov 1995 | 31 Dic 1996 | | Device for facilitating removal of wastewater and sewage from a recreational vehicle |
| US5613510 | 10 Oct 1995 | 25 Mar 1997 | | Tank internal surface cleaning system |
| US5776260 | 16 Ago 1996 | 7 Jul 1998 | Dornoch Medical Systems, Inc. | Liquid waste disposal and canister flushing system and method |
| US5901717 | 18 Nov 1997 | 11 May 1999 | Dornoch Medical Systems, Inc. | Liquid waste disposal and canister flushing system and method |
| US5975096 | 28 Abr 1997 | 2 Nov 1999 | Dornoch Medical Systems, Inc. | Liquid waste disposal and canister flushing system and method |
| US6244311 | 29 Ene 1999 | 12 Jun 2001 | Bemis Manufacturing Company | Method and apparatus for removing and disposing of body fluids |
| US6263887 | 14 Ene 2000 | 24 Jul 2001 | Dornoch Medical Systems, Inc. | Liquid waste disposal and canister flushing system and method |
| US6358232 | 29 Ene 1999 | 19 Mar 2002 | Bemis Manufacturing Company | Method and apparatus for removing and disposing of body fluids |
| US6368310 | 11 Jun 1999 | 9 Abr 2002 | Bemis Manufacturing Company | Medical suction system |
| US6427715 | 9 Ago 2001 | 6 Ago 2002 | Camco Manufacturing, Inc. | RV holding tank connector and method |
| US6494869 | 26 Jun 2000 | 17 Dic 2002 | Bemis Manufacturing Company | Method and apparatus for removing and disposing of body fluids |
| US6539962 | 23 Abr 2001 | 1 Abr 2003 | | Holding tank cleaning device |
| US6626877 | 28 Mar 2001 | 30 Sep 2003 | Bemis Manufacturing Company | Medical suction apparatus and methods for draining same |
| US6672477 | 11 Ene 2002 | 6 Ene 2004 | Bemis Manufacturing Company | Method and apparatus for disposing of bodily fluids from a container |
| US6673055 | 4 Abr 2002 | 6 Ene 2004 | Bemis Manufacturing Company | Medical suction system |
| US7115115 | 23 Dic 2003 | 3 Oct 2006 | Bemis Manufacturing Company | Medical suction system |
| US7585292 | 29 Abr 2004 | 8 Sep 2009 | Bemis Manufacturing Company | Medical suction apparatus and draining of same |
| US7674248 | 7 Ene 2004 | 9 Mar 2010 | Bemis Manufacturing Company | Medical suction apparatus and methods for draining same |