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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7185374 | Discharge valve comprising a flexible ringed tube for toilets A discharge valve for toilet tanks comprising a flexible ringed hose held by a couple covering a center hole of the toilet tank and a handle connecting to a wire wrapping around an upper part of the flexible ringed hose. The wire connected to the handle bends and su... | 03/06/2007 |
| 6615415 | Tank valve for a lavatory A tank valve for a lavatory has a body having a plug with a hollow. A flange is formed on a top edge of the plug. A pair of arms is formed on the flange and extends outwards. An upper ring made of a metal is mounted on a top surface of the flange. A lower... | 09/09/2003 |
| 6415456 | Adjustable universal flapper The adjustable flapper comprises at least an adjustable flapper comprising at least a base to which is adjustably engaged a seal assembly including a seal, the seal depending from the base, and the seal assembly being movable in at least one desired direc... | 07/09/2002 |
| 5794279 | Water saver attachment for toilets A water saver attachment for toilets being pivotally connected to selectively cover a drain pipe within a flush tank of the toilets. The water saver attachment includes a hollow L-shaped water weight box having a horizontal section with an open top side a... | 08/18/1998 |
| 5205000 | Dual water-level toilet flushing apparatus A dual water-level toilet flushing apparatus (10) that allows a toilet user to easily and quickly select either a partial or a full toilet flush. The partial flush which is normally preset is recommended for flushing liquid waste while the full flush is r... | 04/27/1993 |
| 5142710 | Controlled toilet flushing system A water saver being used in the toilet tank and which includes a discharge control and flapper tank ball for controlling the flow of water from the tank or reservoir to the bowl and with the water saver further having a generally cylindrical configuration... | 09/01/1992 |
| 5105480 | Toilet flush valve apparatus A pivoting cup is mounted on the flap valve of a toilet. Two flexible actuating elements control the position of the cup. The amount of water used for a flush depends on the orientation of the cup. If the cup is selectively oriented to hold water, a parti... | 04/21/1992 |
| 4979241 | Toilet flush control device A patented valve control for use in a toilet tank having a bottom outlet for discharging water to a toilet bowl, a valve for closing the outlet, a conventional actuating lever and a chain connecting the lever to the valve for opening the latter, includes ... | 12/25/1990 |
| 4872473 | Dual float valve control for regular and douglas type valve A reversible buoyant and non-buoyant flush tank valve is adapted for use in various types of flush tanks each having different selective valve operating attachments for moving the valve. The valve for use in one type of tank includes an elongated base wit... | 10/10/1989 |
| 4841580 | Buoyant and non-buoyant valve A flush valve for use in a flush tank for control by the operator of the amount used in flushing, the valve including an elongate body having a solid generally hemispherical protuberance extending outwardly on one side and a hollow frusto-conical cup memb... | 06/27/1989 |
| 4101986 | Regulatable flush valve for tank flush toilets A regulatable flush valve for tank type flush toilets includes a piston-cylinder dash pot, a weighted (fluid filled) plug/valve, a cylindrical overflow tube and a fluid vortex generating element secured in a coaxial arrangement vertically above the outlet... | 07/25/1978 |
