Patents by Inventor Carol L. E. Phillips

Carol L. E. Phillips 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).

  • Electric fence controllers
    Patent number: 4316232
    Abstract: An apparatus to energize electrical fences is disclosed which provides pulses at random or irregular intervals in order that animals maintained in such a fence do not become accustomed to a particular pattern.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: February 16, 1982
    Inventors: Dougald S. M. Phillips, Carol L. E. Phillips, David L. D. Phillips