Patents by Inventor Otto Ruker

Otto Ruker 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: 4218112
    Abstract: A positive and negative lens of equal power can provide the means to scan small objects being observed through a microscope if one of the lenses can be selectively decentered. The arrangement is particularly useful for microscopes having photometers that are used to analyze very small specimens, such as chromosomes, by scanning.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: August 19, 1980
    Assignee: C. Reichert Optische Werke, AG
    Inventor: Otto Ruker