Quote from a display ad that appeared in the January 1948 edition of Plastics magazine.
Newark Die Company is proud of its role in the cast responsible for the development and manufacture of Hook Pak We designed and produced the master hob and bobbed cavities from which Dillon-Beck Co., Hillside. N. J., molded the parts for the Gliebe Co ., Brooklyn, N. Y., manufacturer of HOOK PAK. The finished product and its accurate, economical manufacture are a tribute to the cooperation and know- how of the three organizations. HOOK PAK is another case history showing how Newark Die Company serves the plastic industry.
"How Newark Die Company Helped a Fisherman's Dream Come True ..." Display ad for Newark Die company Plastics Jan. 1948 p. 53