Patents by Inventor Daniel A. Terpstra

Daniel A. Terpstra 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: 4231557
    Abstract: A portable work table intended for home use, with or without detachable legs, has a rigid, elongated, rectangular frame and a pair of longitudinally extending members thereon forming a work surface and also functioning to clamp a workpiece therebetween, one member being fixed on the frame and the other member being moved thereon toward and away from the fixed member by a pair of independently operable, longitudinally spaced motion transmission screws; the work table being further provided with conveniently detachable, telescopically adjustable legs, and a compartment in the frame for storage of the detached legs.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: November 4, 1980
    Assignee: Emerson Electric Co.
    Inventors: Donald L. Blachly, Daniel A. Terpstra