Patents by Inventor Elizabeth A. Gaston

Elizabeth A. Gaston 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).

  • Index card and typing and printing system therefor
    Patent number: 4748758
    Abstract: An index card having a predetermined size has at least two typewriter or printer retaining borders which are joined to the index card on intersecting edges of the typing or printing area of the index card by perforated lines or score lines so that after the index card has been typed, the typewriter or printer retaining borders can be easily detached to result in a standard 3".times.5" card, for example. The typewriter or printer retaining borders retain the typing or printing area in proper position when typing or printing at the "bottom" of the typing or printing area of the index card.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: June 7, 1988
    Inventor: Elizabeth A. Gaston