Patents by Inventor Warren Collier

Warren Collier 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: 4534045
    Abstract: The instrument operating time recorder (10) is attached to host instrument (12) and includes a frequency divider (14) for counting line voltage transitions during power-on time and to generate a binary output for a prescaler (20). Prescaler (20) divides by a predetermined value set to the frequency of the host instrument and generates a signal for a digital decoder (24) the output of which can be applied to the readout or display (26).
    Type: Grant
    Filed: November 28, 1983
    Date of Patent: August 6, 1985
    Assignee: Tektronix, Inc.
    Inventor: Warren Collier