Patents by Inventor Prajak Jiradejnunt

Prajak Jiradejnunt 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).

  • Container with lid strongly lockable thereto
    Patent number: 5730309
    Abstract: A container lid and container body locking mechanism includes a plurality of annular flanges and annular notch rings respectively and spaced apart in a pre-determined configuration so as to provide a tight leak-proof seal when the lid is fitted over the container body. A tamper proof detachable strip is provided in the container lid.
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: March 24, 1998
    Assignee: Poranunt Co., Ltd.
    Inventors: Prajak Jiradejnunt, Glenn N. Tyler