Patents by Inventor Coos de Vries

Coos de Vries 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).

  • Supervising arrangement
    Patent number: 4587515
    Abstract: A supervising arrangement for a transmission system, having an alarm system which displays alarm signals from different apparatus by indication lamps. All the indication lamps which are lit are extinguished by operation of a central key to effect alarm suppression. The indication lamps of still existing alarms light up and go dark again after further operation and release of the key.
    Type: Grant
    Filed: May 5, 1983
    Date of Patent: May 6, 1986
    Assignee: U.S. Philips Corporation
    Inventor: Coos de Vries