A Cincinnati accelerator is quietly working to help entrepreneurs produce the first batch of their manufactured products. The aptly named First Batch started its second class of entrepreneurs just last month. The four-month accelerator partners entrepreneurs with mentors and experienced manufacturers and provides $8,000 in grant funding to create the first production line of a new product. First Batch program director Noel Gauthier's day job is as a product developer with The Launch Werks, which…