Patents by Inventor Marvin P. Johnston

Marvin P. Johnston 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: 6481324
    Abstract: There is disclosed herein a caddie for a chain saw having a saw bar, comprising: at least one wheel, having a rotational axis, for resting upon a supporting surface with the rotational axis substantially parallel thereto; a mounting bracket, supported by the wheel(s), to which the chain saw can be fixedly but removably mounted and oriented in a position in which its saw bar defines and lies in a plane substantially parallel and closely adjacent to the supporting surface; and handlebars, in a fixed relationship to the mounting bracket, for being grasped by a user of the caddie in movement and manipulation thereof.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: November 19, 2002
    Inventor: Marvin P. Johnston