Patents by Inventor Donald H. MacGillavry

Donald H. MacGillavry 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).

  • Radio-signal receiver with plug-in modules
    Patent number: 4131851
    Abstract: A receiver for radio signals, comprising an r-f (radio-frequency) unit and an a-f (audio-frequency) unit, the circuit in the a-f unit being interrupted at certain points and the receiver being devised electrically and with respect to its spatial design in such a way that, by changing modules accommodated within the spatial confines of the receiver case, completely different technical versions of the receiver are obtained.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: December 26, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Martiny, Donald H. MacGillavry