Patents by Inventor Richard K. Ng

Richard K. Ng 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).

  • Multimode postage scale
    Patent number: 5174398
    Abstract: A postage scale (1) and method of operation. The scale has two or more modes (M.sub.1, M.sub.2, M.sub.3) of operation. In a first mode the scale outputs the weight of an item to within a first, coarse increment. In a second mode (M.sub.2), the scale outputs the weight of an item to within a second, fine increment. In one embodiment, a third mode (M.sub.3) is selected with a coarse increment depending on the type of carrier and item weight.
    Type: Grant
    Filed: January 14, 1991
    Date of Patent: December 29, 1992
    Assignee: f.m.e. Corporation
    Inventor: Richard K. Ng