Patents by Inventor Henrik Leth-Olson

Henrik Leth-Olson 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).

  • Switch housing having fixed external nuts for attachment of contacts and terminals
    Patent number: 4695691
    Abstract: A switch housing includes two identical halves forming a top wall and a bottom wall each of which has transverse countersinks. The countersinks are provided with permanently secured polygonal nut members for receiving screws for fastening the mounting ends of L-shaped fixed contacts and external terminals. The countersinks also have elongated holes for receiving the contact ends of L-shaped contacts.
    Type: Grant
    Filed: January 8, 1986
    Date of Patent: September 22, 1987
    Assignee: Aktieselskabet Laur.Knudsen Nordisk Elektricitets Selskab
    Inventors: Henrik Leth-Olson, Lajos K. D. Marot