Patents by Inventor Henry J. Jefferys

Henry J. Jefferys 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: 4435925
    Abstract: A shield is provided to prevent leaves, snow, ice and other solid debris from entering an eaves drain trough or gutter. The shield, which can be mounted above a conventional drain gutter, is of integral construction, and permits evaporation of stagnant water in the gutter.
    Type: Grant
    Filed: October 30, 1978
    Date of Patent: March 13, 1984
    Inventor: Henry J. Jefferys