D. John Jacobson

Person

  • Southington, CT, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for coiling springs with tucked ends

    • Patent number 4,986,103
    • Issue date Jan 22, 1991
    • Newcomb Spring Corp.
    • D. John Jacobson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...