Patents by Inventor Frank Sherwood

Frank Sherwood 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).

  • Repellent composition containing natural oils of citronella, cedar and wintergreen and use thereof
    Patent number: 5106622
    Abstract: An environmentally safe, topical pest repellent is described. The repellent action is attributable to a mixture of natural oils of citronella, cedar, and wintergreen. These natural oils, mixed in equal amounts, are combined in a non-toxic base, such as olive oil. The mixture is effective against diverse species, including mosquitoes and ticks.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: April 21, 1992
    Inventors: Karen Sherwood, Frank Sherwood