Patents by Inventor Earl R. Erickson

Earl R. Erickson 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 device for lifting and moving an object
    Patent number: 4015736
    Abstract: A device for lifting and moving an object including a first support member having a stationary frame with a movable frame slidably mounted on this stationary frame. Casters are mounted on the stationary frame for moving the device to transport an object mounted on the movable frame, together with operable means connected to the stationary frame and movable frame for lifting the movable frame relative to the stationary frame. The movable frame carries means for engagement with an object to lift the same when the movable frame is lifted, a second support member identical to the first support member together with means for maintaining the first and second support members in close proximity to the object to be moved.
    Type: Grant
    Filed: February 12, 1976
    Date of Patent: April 5, 1977
    Inventor: Earl R. Erickson