David M. File

Person

  • Lyons, IN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Wear-resistant electrically conductive body

    • Patent number 7,344,760
    • Issue date Mar 18, 2008
    • The United States of America as represented by the Secretary of the Navy
    • Kenneth H. Heffner
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...