Patents by Inventor Ou-Yang Feng

Ou-Yang Feng 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: 4944656
    Abstract: A telescopic rod includes a hollow handle having a longitudinal slit formed in the handle, an alignment coupler slidably engageable in said hollow handle having a truncated tube section formed in the coupler having an upper inclined surface formed on the tube section, and a reel pole secured with a display sheet such as a flag cloth having a lower portion of the pole rotatably held in the coupler having a lower inclined surface tapered downwardly and tangentially engageable with the upper inclined surface of the coupler, so that upon a depression of the pole and sheet, the pole will be rotated for a tangential engagement of the two inclined surfaces to align the display sheet with the slit of the handle for a quicker retraction of the sheet into the handle.
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: July 31, 1990
    Inventors: Ou-Yang Feng, Ou-Yang C. Ho
  • Patent number: 4800834
    Abstract: A telescopic rod includes a hollow-pipe handle having a longitudinal slit, an alignment coupler slidably moving along the longitudinal slit of the handle and operatively retained on the top of the handle adapted for aligning a display sheet with the slit, a reel pole prewound with a display sheet selected form a flat cloth or other flexible display sheets and operatively retained on the coupler for outwardly extending the pole and the display sheet for display purpose, and operatively retracted into the handle for reeling up the display sheet on the pole for its convenient handling and storage.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: January 31, 1989
    Inventor: Ou-Yang Feng
  • Patent number: 4787161
    Abstract: An advertising pen device includes a collapsible display sheet selected from a flag or a decorative or advertising cloth prewound on a pole rotatably mounted inside the pen and adapted to be extended for display or advertisement purpose, and a pen holder adapted for holding the pen to lay on a desk or for clamping the pen on a user's pocket for display, decorative or identification uses.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: November 29, 1988
    Inventor: Ou-Yang Feng