The Packaging Ink Company, Pine Bluff, AR, has acquired the stock and business of American Inks and Coatings, Valley Forge, PA, effective April 16.      The new company, which will retain the name American Inks and Coatings, will continue the 80-year history of the original name. The management team of both companies will stay intact, as will its locations.      As a result of the acquisition, the combined complementary technology and manufacturing experience will provide packaging printer...