Unocal was founded on October 17, 1890, when it was incorporated in Santa Paula, California, as the Union Oil Company of California. The company was formed by the merger of co-founders Lyman Stewart, Thomas Bard, and Wallace Hardison's holdings. Union Oil moved its headquarters to Los Angeles in 1901.
Long before Jack in the Box restaurants created their well-known 'Jack's Head' promotional radio antenna toppers, the orange 76 ball invented the concept. Beginning in 1967 tens of millions were made and distributed by Union 76. These were extremely popular, primarily in the Greater Los Angeles area, where they are still frequently seen.
The Union 76 ball is also a very popular logo in European tuning, in the "Cult Style." The 76 logo is also used on many clothing items in Japan as of 2005.
Source: Wikipedia
see: www.savethe76ball.com and www.tennaballs.com