Patents by Inventor Roald H. Sorensen

Roald H. Sorensen 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: 5288076
    Abstract: The present invention entails a game and game board apparatus. The game board apparatus includes a map of the United States with each individual state comprising a puzzle piece and wherein there is inscribed on the game board apparatus the number of electoral college votes controlled by each respective state. In addition, the game apparatus includes a series of state playing cards with each state playing card identifying a state, the number of electoral college votes of that state, a list of presidents produced by that state and other state information. The object of the game is to accumulate the most electoral college votes. In order to collect electoral votes the basic thrust of the game entails accumulating a selected number of contiguous or so-called isolated states and once such has been accumulated then the electoral college votes of those contiguous states or isolated state or states are acquired by the player who has accumulated the contiguous states.
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: February 22, 1994
    Assignee: The Presidents Group
    Inventors: Jerry F. Jackson, Bert N. Adams, Roald H. Sorensen
  • Patent number: 4430130
    Abstract: This invention is a method of producing an improved basketball goal rim including forming a rim from standard sized diameter steel, heat treating the rim to stress relief, harden and temper the same, and allowing said rim to cool. The rim is constructed from hot rolled annealed round rod of high carbon steel in the Class of 4140 containing approximately 0.41 percent carbon, 0.97 percent magnesium, 0.012 percent phosphorous, and 0.022 percent sulphur by volume. The rim is heated to between 1100 and 1350 degrees Fahrenheit for a period of 45 to 75 minutes. The temperature is then increased to between 1400 and 1700 degrees Fahrenheit and maintained at such temperature for 30 to 60 minutes, and then is oil quenched to a temperature between 150 and 175 degrees Fahrenheit for a period of 15 to 25 minutes. Finally the rim is tempered at between 750 and 775 degrees Fahrenheit for a period of 90 to 150 minutes.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: February 7, 1984
    Inventor: Roald H. Sorensen
  • Patent number: 4372555
    Abstract: A basketball backboard which includes spirit levels mounted on the two side frame members and on the bottom frame member whereby the backboard can be leveled prior to play commencing and adjusted as necessary during play to ascertain vertical disposition. This invention is of particular usefulness when used in conjunction with glass backboards in that the same allows the board to be stress relieved which will prevent or greatly reduce the incidents of shattered backboards.
    Type: Grant
    Filed: October 9, 1981
    Date of Patent: February 8, 1983
    Inventor: Roald H. Sorensen