Patents by Inventor Thomas N. Chen

Thomas N. Chen 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: 5090049
    Abstract: A fax message record/relay device or system operates in conjunction with a local fax machine. The system allows the local fax machine to operate normally while the record/relay device simply records incoming fax messages and stores them in a memory. An authorized person may call in to the record/relay system and request that the fax messages be forwarded to a telephone number corresponding to a fax machine which the authorized person has immediate access to. The authorized person uses a password and a DTMF push button telephone in order to remotely input commands to the record/relay system.
    Type: Grant
    Filed: May 22, 1990
    Date of Patent: February 18, 1992
    Inventor: Thomas N. Chen