Gridiron Enterprises

Gridiron Enterprises is a sports consulting company based in Chicago, Illinois. Although they offer services to the public, their primary focus and notability is in having been the patent holder of the system of play for Arena football until the patent expired on March 27, 2007, as well as being an equity member of the league.

Gridiron Enterprises

Gridiron Enterprises is a sports consulting company based in Chicago, Illinois. Although they offer services to the public, their primary focus and notability is in having been the patent holder of the system of play for Arena football until the patent expired on March 27, 2007, as well as being an equity member of the league.