Patents by Inventor Herbert P. H. Huang

Herbert P. H. Huang 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).

  • Collapsible plastic tree
    Patent number: 4496615
    Abstract: The present invention relates to an improved collapsible plastic tree and in particular to one comprising a plastic trunk having a plurality of holes, a plurality of collars disposed on the plastic trunk, a plurality of ribs movably mounted on the collars, and a plurality of plastic branches each firmly joined to one of the ribs. The plastic branches will lay open with respect to the plastic trunk when the plastic trunk is vertically disposed and the plastic branches will be folded up on the plastic trunk when the plastic trunk is disposed upside down.
    Type: Grant
    Filed: November 9, 1983
    Date of Patent: January 29, 1985
    Inventor: Herbert P. H. Huang