Patents by Inventor Bo E. Chang

Bo E. Chang 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: 5214574
    Abstract: A protective housing for portable computers includes first and second shells defining trays of disparate depths and rear walls of similar height and hingedly connected together. With side and front walls of the first shell defining a minimal height generally not exceeding the height of a CPU/keyboard unit closely confined within the first shell tray, a user has un-impeded access to the keyboard while opening(s) in one or more walls of the first shell overlie access to various drives and/or ports adapted to communicate with external peripheral devices. Higher side and front walls on the second shell define a tray of greater depth and within which is disposed a portable printer having a cable directly communicating with the CPU in the first shell.
    Type: Grant
    Filed: April 16, 1992
    Date of Patent: May 25, 1993
    Inventor: Bo E. Chang
  • Patent number: 4839837
    Abstract: A portable, three layered laptop computer assembly includes a keyboard member pivotably attached to an output member and provided with an intermediate display member. Upon opening the three members from a closed position with the members forming a regular cubic configuration, the keyboard and output members will be disposed with their bottom surfaces co-planar while the display member attached to the mount member is automatically positioned in a substantially vertical manner.
    Type: Grant
    Filed: October 27, 1987
    Date of Patent: June 13, 1989
    Inventor: Bo E. Chang