There have been inaccuracies circulated in print for decades, the DeTomaso family has never attempted to correct the record.
Ford fronted money to get the Pantera project underway at the production level they required, for this they were given a portion of stock in Ghia. The DeTomaso family sold their remaining (controlling) interest in Ghia to Ford in 1972.
The only agreement between Ford and the DeTomsos regarding the Pantera was that Ford had the rights to import and distribute the Pantera in North America.
I have notes at home regarding the name change from DeTomaso Automobili to DeTomaso Modena, but can't remember off hand what the details are (senior moment). I think Ford had the rights to use the name DeTomaso Automobili for a short time in the 1970s and the DeTomaso family began operating under the name DeTomaso Modena.
This subject is touched upon in a story in the next issue of PI mag.