Patents Assigned to J-Tec Associates, Incorporated
  • Patent number: 4031757
    Abstract: The faces of transducers for transmitting or receiving sonic signals have outwardly protruding conical shapes to reduce problems caused by reflections of the sonic signals.
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: June 28, 1977
    Assignee: J-Tec Associates, Incorporated
    Inventor: Russell F. Colton