Patents by Inventor Wang C. Lichu

Wang C. Lichu 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: 5048722
    Abstract: This invention relates to a kind of gas ignition glue gun and more particularly to one which uses a cutter to cut inserted glue stick into two halves, and uses gas to burn cotton asbestos to further heat a tubular insert, into which a glue stick is inserted, so as to efficiently melt the inserted glue stick into semiliquid for further output for sealing process by means of the operation of the feed control mechanism thereof.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: September 17, 1991
    Inventor: Wang C. Lichu