David B. Heller JR.

Person

  • North Wales, PA, US

Patents Applicationslast 30 patents

  • Information Patent Application

    Dispersant composition

    • Publication number 20040020108
    • Publication date Feb 5, 2004
    • Arpad Savoly
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...