Patents by Inventor Shiang C. Shyu

Shiang C. Shyu 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: 4539757
    Abstract: Disclosed is a drafting implement to aid a draftsman in drawing curves. The implement may be called a Curve Stripe. The implement includes an elongated soft metal core having a plurality of openings formed therein at intervals along the core. Magnetic beads are disposed in the openings and have at least one flat surface which is disposed normal to the elongated axis of the core and projects outwardly therefrom. A rectangular strip element is disposed adjacent to the core and arranged to inhibit motion thereof in a direction normal to the at least one surface of the beads. A pliable plastic jacket is provided to surround the core, the strip element and the beads, the jacket having openings therein matching the at least one surface of the beads.
    Type: Grant
    Filed: November 30, 1983
    Date of Patent: September 10, 1985
    Inventor: Shiang C. Shyu