Patents by Inventor John Legge

John Legge 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).

  • Laser machine tool with image sensor for registration of workhead guidance system
    Publication number: 20050051523
    Abstract: A computer controlled laser machine tool is provided wherein the machine tool work zone is smaller than the size of the workpiece that can be processed. The machine tool has an apparatus to register the workhead guidance system to the workpiece without requiring a hole in the workpiece. The machine tool is adapted with an image sensor, a form of a digital camera, to measure the position of targets etched in or affixed to the surface of the workpiece. Registration of the workhead guidance system relative to the workpiece is checked before and after the workpiece support is indexed.
    Type: Application
    Filed: September 9, 2003
    Publication date: March 10, 2005
    Applicant: W.A. Whitney Co.
    Inventors: John Legge, Jimmy Berry, Robert Farris
  • Pesticidal compositions
    Patent number: 4584296
    Abstract: A pesticidal composition which contains, as active ingredient, a combination of the compound of the formula ##STR1## with a compound of the formula ##STR2## wherein R.sub.1 is hydrogen or methyl, ##STR3## in a ratio of 1:20 to 10:1; as well as the use of the composition for controlling various pests on animals and plants, is described.
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: April 22, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Jozef Drabek, John Legge, Markus Bachmann