Patents by Inventor Thomas R. Perrett

Thomas R. Perrett has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4267939
    Abstract: A sterilization case comprises a top wall member having a pair of depending side walls, a bottom wall member having a pair of upstanding front and rear walls, upstanding post members disposed at each side edge of the front and rear walls and attached to the front and rear walls and a handle member pivotally attached to each side wall with its axis of rotation and its longitudinal axis parallel to the longitudinal axis of its associated side wall and with a portion of it pivotally disposable between adjacent associated posts affixed to the front and rear walls. Each post comprises a neck extending above the upper edge of the front and rear walls and a head surmounting the neck whose minimum transverse dimension is greater than the maximum transverse dimension of the neck, and the top wall has a pair of recesses extending rearwardly from its front edge and a pair of apertures disposed adjacent its rear edge.
    Type: Grant
    Filed: August 10, 1979
    Date of Patent: May 19, 1981
    Assignee: Synthes AG
    Inventors: Thomas R. Perrett, Gilbert T. Carter
  • Patent number: 4262799
    Abstract: An integral support post body adapted for mounting in an aperture in a bottom plate of a medical device sterilization case, said body comprising a disk-shaped base whose maximum transverse dimension is greater than the maximum transverse dimension of said aperture, a reduced diameter; cylindrical neck; and a generally frusto-conical tip which comprises an extended frusto-conical side wall extending both upwardly in a direction away from said neck and inwardly and a convex top wall of a transverse peripheral configuration which conforms to and merges with the upper extremity of said side wall, the maximum transverse dimension of said side wall at its lower extremity being greater than the maximum transverse dimension of said aperture and the maximum transverse dimension of said side wall at its upper extremity being less than or equal to the corresponding transverse dimension of said aperture, and the axial length of said body being sufficient that the clearance between the undersurface of the top wall of the
    Type: Grant
    Filed: August 7, 1979
    Date of Patent: April 21, 1981
    Assignee: Synthes AG
    Inventor: Thomas R. Perrett