Patents by Inventor Willard J. Rust

Willard J. Rust 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).

  • Scaffold device
    Patent number: 4171033
    Abstract: A scaffold device comprising a wheeled frame means including a front axle assembly and a rear axle assembly which are pivotally interconnected about a horizontal axis whereby either of the axle assemblies may be pivoted or rotated relative to the other. A first post is pivotally connected at its lower end to the front axle assembly and extends downwardly therefrom. A telescoping support is pivotally connected at its lower end to the front axle assembly and extends upwardly to a pivotal connection with the first post to permit the first post to be vertically positioned regardless of the attitude of the front axle assembly. A second post is pivotally secured at its lower end to the rear axle assembly and extends upwardly therefrom.
    Type: Grant
    Filed: August 30, 1978
    Date of Patent: October 16, 1979
    Inventors: Willard J. Rust, Willard M. Rust
  • Scaffold device
    Patent number: 4125173
    Abstract: A scaffold device comprising a wheeled frame means including a front axle assembly and a rear axle assembly which are pivotally interconnected about a horizontal axis whereby either of the axle assemblies may be pivoted or rotated relative to the other. A first post is pivotally connected at its lower end to the front axle assembly and extends upwardly therefrom. A telescoping support is pivotally connected at its lower end to the front axle assembly and extends upwardly to a pivotal connection with the first post to permit the first post to be vertically positioned regardless of the attitude of the front axle assembly. A second post is pivotally secured at its lower end to the rear axle assembly and extends upwardly therefrom.
    Type: Grant
    Filed: December 11, 1975
    Date of Patent: November 14, 1978
    Inventors: Willard J. Rust, Willard M. Rust