Patents by Inventor John F. Lehman

John F. Lehman 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).

  • Post and anchoring device
    Patent number: 5076032
    Abstract: A post and anchoring device that rapidly secures a wooden post to the ground. An anchor stake is driven into the ground to a predetermined depth onto which a wooden post having an appeal bore is insertively engaged and locked to the anchor stake.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: December 31, 1991
    Assignee: Steel City Corporation
    Inventor: John F. Lehman
  • Post anchor device
    Patent number: 4644713
    Abstract: A post anchor to rapidly mount a post within the ground has a post end engagement bracket from which extends an anchor stake. The anchor stake is driven into the ground and the post is then inserted into the upstanding end of the post engagement bracket.
    Type: Grant
    Filed: January 30, 1986
    Date of Patent: February 24, 1987
    Assignee: The Steel City Corporation
    Inventor: John F. Lehman