Patents Represented by Attorney Walter C. Ramm
  • Patent number: 3936340
    Abstract: Disclosed is a method for making corrugated collimators for radiation imaging devices. Strips of lead foil are corrugated in a pair of gear-like members, and the corrugated strips are mounted between straight strips to build up a honeycomb-like collimator structure. Specific techniques for producing parallel channel and converging or diverging channel collimators are illustrated.
    Type: Grant
    Filed: February 16, 1973
    Date of Patent: February 3, 1976
    Assignee: G. D. Searle & Co.
    Inventor: Gerd Muehllehner