Patents by Inventor H. Eugene Robertson

H. Eugene Robertson 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).

  • Portable nature stand
    Patent number: 5275257
    Abstract: A portable nature stand having a seat which can be turned through three hundred and sixty degrees, a platform, and one or more ladder sections connected to and extending downwardly from the platform at an acute angle to the upper surface of the platform.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: January 4, 1994
    Inventor: H. Eugene Robertson