Patents by Inventor Ronald Hansing

Ronald Hansing 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).

  • Door hold open device
    Patent number: 4751766
    Abstract: A hold open device a hinged door which is connected to a door frame by a pivot arm. The arm includes a follower which rides in an upper channel of the door. The hold open device includes a detent positioned between a cam part and a shock absorber and stop which secures the arm follower when the door is in its open position.
    Type: Grant
    Filed: May 13, 1986
    Date of Patent: June 21, 1988
    Assignees: Coachmen Industries, Philips Industries, Ohio
    Inventors: Robert L. Fahs, Ronald Hansing