Patents Assigned to Garnett-McKeen Chemical Corporation
  • Thaw-indicator device
    Patent number: 4051804
    Abstract: Thaw-indicator for frozen articles including a V-shaped transparent elastomeric tube having its inner wall surfaces disposed in liquid tight interfacial engagement at the apex of the V by a removable band and defining a pair of closed liquid containers, adapted to contain freezable contrasting liquid dyes.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: October 4, 1977
    Assignee: Garnett-McKeen Chemical Corporation
    Inventor: Merrill Garnett