Patents by Inventor William Blair Macgregor Donaldson

William Blair Macgregor Donaldson 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).

  • CLOTHING ITEM
    Publication number: 20200138119
    Abstract: A clothing item (1), wearable with a shirt (60) having a collar (70). The clothing item (1) comprises an elongate body (10) for location between the collar's band (80) and leaf (90), and being sized such that, in use, the ends of the elongate body (10) are exposed from the ends of the collar leaf (90) to define two separated decorative portions (11). The elongate body (10) is configured so that, in use, the decorative portions (110) project away from the band (80) of the collar (70).
    Type: Application
    Filed: May 25, 2018
    Publication date: May 7, 2020
    Inventor: William Blair MacGregor DONALDSON
  • Eye protector
    Patent number: 6764459
    Abstract: The present invention concerns an eye protector comprising first and second elements intended for attachment respectively to a patient's upper eye lid and to a region of the patient's cheek beneath the ye, and fastener means for releasably fastening the elements together; said fastener means being configured to resist release in response to natural eye lid motion but to release more readily when pulled apart for detachment.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: July 20, 2004
    Inventor: William Blair MacGregor Donaldson
  • Apparatus and method for visual field testing
    Patent number: 6367932
    Abstract: An apparatus for ocular is provided wit means (2, 3) for displaying targets (T1, T2) means (4) for tracking eye movement and means (5) for controlling the display of targets (T1, T2) on a screen. A method comprises arranging the control means (5) to choreograph display of the targets (T1, T2 . . .) at different positions at the screen (2) depending on whether the eye tracking means (4) detects that an observer is directly looking at the target.
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: April 9, 2002
    Assignee: BID Instruments Limited
    Inventor: William Blair Macgregor Donaldson
  • Method and apparatus for ocular motility testing
    Patent number: 5838420
    Abstract: Apparatus for ocular motility testing comprising, an item of headgear 5 onto which is mounted: gaze-detection means 25 for determining the visual axis directions of one or both eyes of an observer 14 wearing the headgear in relation to a reference primary position; and projector means 10 for projecting a target onto a screen spaced from the observer.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: November 17, 1998
    Assignee: BID Instruments Limited
    Inventor: William Blair MacGregor Donaldson