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| Number | Title | Issue Date |
| 5324428 | Disposable dialysis apparatus A disposable dialysis apparatus suspended in a dialysate solution. The dialysis apparatus has a tubular membrane which is opened at the top and bottom. A closed base member and collar seals the bottom of the tubular membrane. An open upper member and coll... | 06/28/1994 |
| 5240861 | Device and process for concentrating biologic specimens in liquid form A device for concentrating liquid specimens and the process of using the device. The device has a receptacle containing a membrane. The sample to be concentrated is placed in the receptacle on the upper surface of the membrane. A piston is then screwed do... | 08/31/1993 |
| 4828706 | Process for performing a dialysis operation A process for performing a dialysis operation. The operation is carried out by snapping a weighted clamp on one end of a length of dialysis tubing. The dialysis tubing is then filled with a liquid to be treated and an unweighted clamp is snapped on the ot... | 05/09/1989 |
| 4509695 | Tissue pulverizer A tissue pulverizer for pulverizing specimens of living tissues for facilitating chemical testing and the like. The pulverizer has a base, a guide member for emptying into a receiving tube and an elongated pestle member. The parts are cooled with liquid n... | 04/09/1985 |
| 4439901 | Clamp A multi-part assembly held together by a clamp. Two or more parts are held together by a clamp which fits into two grooves formed in the outer surface of a part to be clamped. The clamp has a bail which surrounds the clamped parts, and a flexible arm hold... | 04/03/1984 |
| 4301010 | Vacuum filter A vacuum filter funnel useful for separating solids from liquids. The funnel has a vacuum intake member which forms an airtight seal with a filtrate container, and also forms an airtight seal with an upper funnel member which has a perforated bottom. A th... | 11/17/1981 |
| 4301118 | Protein concentrator A protein concentrator having a reservoir for holding a protein solution and a membrane positioned within the protein solution through which a portion of the solution passes. The membrane is held in the walls of a container assembly and a water soluble po... | 11/17/1981 |
