Patents by Inventor Werner Lorz

Werner Lorz 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).

  • Keyboard with a protective foil
    Patent number: 5642950
    Abstract: A keyboard has a protective foil which is a formed part to have dome-shaped vaults extending upwardly from a foil floor at respective individual keys of the keyboard. The protective foil is inverted (dome interiors open downwardly) so that the keys are respectively arranged relative to the vaults (8) and replaceable caps (9) are snapped onto the vaults and keys.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: July 1, 1997
    Assignee: Preh-Werke GmbH & Co. KG
    Inventors: Gerhard Hochgesang, Werner Lorz
  • Plastics foil for the manufacture of audio-visual information carriers
    Patent number: 4071490
    Abstract: A rigid polyvinyl chloride foil with modified impact resistance and free from plasticizer especially suitable for the manufacture of audio-visual information carriers with stamped spiral grooves from which the information is played back by pressure scanning. The foil is characterized by a special combination of properties such as flow, reduction in length, toughness, surface resistance, elasticity, peak-to-valley height and surface deposit.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: January 31, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Joachim Andrascheck, Rainer Mucke, Werner Lorz, Heinz Borchard, Jurgen Buck, Herbert Knothe, Bruno Rybka