Patents Assigned to Grausz Investment Co.
  • Artificial urethra
    Patent number: 4026298
    Abstract: A urinary catheter having a pair of longitudinally-spaced passage closing means which may be individually and sequentially operated for draining the urinary bladder and when in closed position providing an air lock effectively preventing transmission of infecting agents into the bladder.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: May 31, 1977
    Assignee: Grausz Investment Co.
    Inventor: Henry Grausz