Patents by Inventor William L. Rozenblad

William L. Rozenblad 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).

  • Multiple use exercising devices
    Patent number: 4351525
    Abstract: An exercise device having one or two wood plaques with relatively flat, inverted U-shaped members extending vertically upright thereon. The U-shaped members are tubular and include horizontal portions with ends thereon extending downwardly into the plaques which serve as bases. Internal members in the ends include projections extending through the bases and engaged by locking members countersunk into the bases. The locking members are covered by non-skid mats. Collars encircle the aforementioned ends to aid in holding the U-shaped members upright.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: September 28, 1982
    Inventor: William L. Rozenblad