The Detroit Packard factory was built in 1903 for (not surprisingly) the Packard car line. It ceased production of vehicles in 1956, and was used as an industrial park with several businesses moving in and setting up storefronts. In 1999, the tenants were forced out while an ownership dispute started over the complex. The legal battle (still on-going) allowed the building to sit vacant and susceptible to scrappers, who have since stripped just about everything usable from the buildings. As of this post, there is still just one business remaining: Chemical Processing, Inc. In fact, they have occupied a portion of the old 120 plant on Concord Street since 1958,…