Patents by Inventor Charles W. Neff

Charles W. Neff has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6244720
    Abstract: A air filter and light apparatus for filtering the air of a room while simultaneously illuminating the room. The air filter and light apparatus includes a base portion having a bottom wall. The bottom wall has a peripheral edge. A side wall extends away from and is integrally coupled to the peripheral edge. The side wall has a plurality of slots therein. A motor is fixedly mounted to the bottom wall. A plurality of wires deliver power to the motor. The wires are operationally coupled to a power source and to the motor. A fan for directing airflow from a central portion of the base through the slots is rotatably coupled to the motor. A cover for the base portion has a central portion having a bore therein. A light source illuminates the cover. The light source is mounted in the cover. A filter for filtering the air is mounted in the bore of the cover. An actuator controls the motor and the light source.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: June 12, 2001
    Inventor: Charles W. Neff
  • Patent number: 5377725
    Abstract: A new and improved visual magnification apparatus for a syringe includes a base portion, a lens support portion attached to the base portion, and a magnifying lens attached to the lens support portion, wherein a syringe can be placed on the base portion and magnified by the magnifying lens. The base portion may include an internally concave cross-sectional contour that has a bottommost valley portion, such that a generally cylindrically-shaped syringe tends to rest in the valley portion under the influence of gravity. The base portion includes an ampule-supporting portion. The base portion also includes a slot portion capable of supporting a top portion of a syringe placed on the base portion. The base portion, the lens support portion, and the slot portion are in the form of a unified, integrated structure. The lens support portion may include an extension portion capable of retaining an ampule on the ampule-supporting portion of the base portion.
    Type: Grant
    Filed: September 15, 1993
    Date of Patent: January 3, 1995
    Inventor: Charles W. Neff