Patents Represented by Attorney Alden D. Redfield
  • Patent number: 4158842
    Abstract: 1.
    Type: Grant
    Filed: March 31, 1965
    Date of Patent: June 19, 1979
    Assignee: Avco Corporation
    Inventors: John E. Clemens, Thomas C. Stephens, Albert E. Dilz, James A. Hewlett