Patents by Inventor Sumin Tchen

Sumin Tchen 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: 5665951
    Abstract: A system for assisting a customer during shopping includes machine-readable currently-owned item indicia store and a compatibility determination subsystem. The machine-readable currently-owned item indicia store includes a smart-card, magnetic disk or the like, for storing indicia identifying selected characteristics of items which are currently owned by the customer, including such information as, for example, accurate color andr styling parameter and metric information. The compatibility determination subsystem generates a compatibility assessment in response to the currently-owned item indicia stored by the currently-owned item indicia store, indicia identifying selected characteristics for items provisionally selected by the customer, and compatibility parameter information identifying compatibilities among various types of indicia.
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: September 9, 1997
    Inventors: Gary H. Newman, Sumin Tchen