Patents Assigned to Blackmon Enterprises, Inc.
  • Spring-biased exercise apparatus
    Patent number: 4214748
    Abstract: The exercise apparatus has a base. A generally U-shaped upright member has the base thereof pivotally connected to the base of the exerciser. An essentially U-shaped bolt is attached at the outer end portions of its arms to the U-shaped upright member. A spring or springs acting in tension is attached to the bolt and to the base of the exerciser.
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: July 29, 1980
    Assignee: Blackmon Enterprises, Inc.
    Inventor: Charles V. Blackmon