Patents by Inventor Donald Dials

Donald Dials 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).

  • Clock-radio with automatically selected battery power
    Patent number: 3968417
    Abstract: A clock radio including, within the housing for the clock radio, a relay coil connected across a line cord for the clock radio, normally open relay contacts connected for passing power to the clock radio from the line cord and normally closed relay contacts connected for passing power from a battery to an inverter input. The inverter output is connected to the clock radio, whereby when line voltage is lost the clock radio is automatically powered by the battery.
    Type: Grant
    Filed: May 8, 1975
    Date of Patent: July 6, 1976
    Assignee: Lawrence Peska Associates, Inc.
    Inventor: Donald Dials