Patents by Inventor Ratchford Michael

Ratchford Michael 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).

  • Fault tolerant flight data recorder
    Patent number: 4682292
    Abstract: Signal units of information stored in electronic memory are arranged in frames which are separated in memory by configurable end of data pointers, each frame stored with a first configuration pointer indicating a present frame, the storing of each present frame changing the preceding frame pointer to a second configuration, whereby loss of frame data due to power interruption during storage is limited to the identifiable present frame.
    Type: Grant
    Filed: July 23, 1984
    Date of Patent: July 21, 1987
    Assignee: United Technologies Corporation
    Inventors: Richard L. Bue, Ratchford Michael