Patents Represented by Attorney T. W. Winland

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  • Tonometer
    Patent number: 3977237
    Abstract: A device for determining the level of intraocular pressure by applanation. The device includes a testing piston of precise weight which has one planar surface with an adjacent circular area of a predetermined radius. The weight of the piston flattens an area of the cornea being examined, and depending upon the intraocular pressure, the flattened area will be less than or greater than the circular area.
    Type: Grant
    Filed: July 14, 1975
    Date of Patent: August 31, 1976
    Assignee: Julius M. Tesi
    Inventor: Julius Michael Tesi