"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 4001929 | Method of constructing a medical needle holder assembly A medical needle holder assembly comprising a generally tubular needle holder, a filter element constituted by a wad of a lengthy filament yarn of synthetic resin and a generally tubular filter retainer adapted to be received in the needle holder with the... | 01/11/1977 |
| 3976529 | Method of sealing filter in tubular fitting for medical injection equipment and the like A cylindrical, cup-shaped, porous, sintered powdered metal filter is sealed in a tubular thermoplastic fitting (e.g., the needle-retaining hub of a hypodermic needle or an adaptor or a connector in the line of an intravenous infusion set) by force-fitting... | 08/24/1976 |
| 3972812 | Blood serum separation filter disc An impregnated porous disc made of an inert material with voids adapted for insertion into a collection tube containing clotted blood which disc upon centrifugation of the tube will allow separation of fibrin and cellular material from the serum by centri... | 08/03/1976 |
| 3971375 | Dental syringe A dental syringe has a hand held unit coupled to a control unit and formed with air and water control apertures. An air pressure regulator is included in the control unit. The control unit has an air control fluid gate whose inputs are connected to the re... | 07/27/1976 |
| 3963119 | Serum separating apparatus The separation of a sample of blood into serum and clot portions is accomplished by means of a sealant consisting essentially of a silicone fluid and silica dispersed therein. The separation is accomplished by inserting a device containing a supply of the... | 06/15/1976 |
| 3960139 | Syringe device with means for removing contaminates when drawing blood sample A syringe for taking blood samples includes a tubular body having a main plunger slidably received therein in fluid tight relationship. The tubular body has an opening through the leading end in communication with connection means for receiving a hypoderm... | 06/01/1976 |
| 3957654 | Plasma separator with barrier to eject sealant A blood collection and separator assembly capable of separating blood into its component parts of plasma or serum, the light phase, and cellular portion, the heavy phase, is disclosed. The assembly comprises a container having one open end for receiving b... | 05/18/1976 |
| 3939822 | Disposable blood collection and filtering device A blood collection and handling device having an elongate body comprising first and second evacuated test tubes connected by a coaxially disposed rubber conduit having a frangible valve in the bore, a compressible middle portion at the valve, and a filter... | 02/24/1976 |
| 3939078 | Extracorporeal filter An extracorporeal filter having improved characteristics for the positive elimination of gas bubbles from blood streams. The top of the filter housing is sloped to a high point where there is positioned an air vent. The inlet for the blood is positioned s... | 02/17/1976 |
| 3938513 | Syringe filter and valve combination An improved filter and valve assembly used in combination with a medical syringe for blocking, and thereby protecting a patient against, the infusion of particulate matter. The filter element is fixed within the bore of the syringe and a tubular valve bod... | 02/17/1976 |