Grégoire [2]

Automobiles Tracta J.A. Grégoire was a French vehicle manufacturing venture based in Asnières, Seine, associated with the engineer and inventor Jean-Albert Grégoire. Born in 1899, Grégoire was a polytechnicien who ran a garage in Versailles from 1924 while competing in hillclimbs and rallies with his friend Pierre Fenaille, whose financial backing helped launch the Tracta marque in 1926, along with production of Grégoire's patented constant-velocity joints. Those joints, protected by…