Patents by Inventor Donnald A. Alexander

Donnald A. Alexander 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).

  • Snap-in spacing device for circuit boards
    Patent number: 4444318
    Abstract: A one-piece snap-in spacing device and support member for circuit boards is provided with a tapered pin axially disposed at each end of a spacer body to fit snugly into corresponding holes positioned near the edges of a pair of circuit boards. Integrally molded with the spacer body is a pair of clips each having a ramped nib to engage and grip the edge of a circuit board with a snapping action. The spacing device is provided with a flat surface for mounting to a chassis.
    Type: Grant
    Filed: May 10, 1982
    Date of Patent: April 24, 1984
    Assignee: Tektronix, Inc.
    Inventor: Donnald A. Alexander