Patents by Inventor Roger H. Isaacs

Roger H. Isaacs 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).

  • Integral thermostat-digital clock unit
    Patent number: 4191328
    Abstract: An integral thermostat and digital clock is disclosed which operates with conventional two-wire systems connected between the thermostat and remotely operated relay. The two wires are used to carry a control signal from the thermostat to the remote relay and power to the integral unit for providing timing signals and power. The integral unit has a combined display which can be used for the time of day or temperature and separate day and night time settings are provided for changing the control of the thermostat according to the users' needs.
    Type: Grant
    Filed: September 1, 1977
    Date of Patent: March 4, 1980
    Assignee: Rapidcircuit Corp.
    Inventors: Roger H. Isaacs, David Sandelman, Daniel E. Shprecher