Patents by Inventor Stephen R. Kolbert

Stephen R. Kolbert 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: 6105253
    Abstract: A hedge trimmer of this invention is very lightweight and efficient. It has a very large clipping collection bag that has a capacity much larger than any known user-worn device of this type. The blades and guard are designed to pull and maintain the clippings in the system.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: August 22, 2000
    Inventor: Stephen R. Kolbert