Patents by Inventor Margaret E. Koenig

Margaret E. Koenig 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: 4422564
    Abstract: A needle threading device consisting of a pair of thin, substantially rigid blades joined at one end and spaced apart in a normal position at the other. The blades at the open end are insertable through the eye of a needle to receive the thread or yarn and can then be "pinced" and held together with one hand and the yarn pulled through the needle as the device is withdrawn and the needle is held. In other embodiments the device consists of a pair of oppositely extending blades of different widths for various sewing or needlecraft operations. In still another embodiment, a plurality of pairs of blades of different sizes are pivotally joined to a shaft and the desired blade can be pivoted to a position of use.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: December 27, 1983
    Inventors: Herbert G. Koenig, Margaret E. Koenig