David Wiesenfeld

Person

  • Givatiam, IL

Patents Grantslast 30 patents

  • Information Patent Grant

    Anchor bolt

    • Patent number 5,054,146
    • Issue date Oct 8, 1991
    • Videx-Wire Products (Pty.) Limited
    • David Wiesenfeld
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...