James B. Hall

Person

  • Chester Springs, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making container with easy open top

    • Patent number 4,071,182
    • Issue date Jan 31, 1978
    • Christiana Metals Corporation
    • Thomas A. Walraven
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Container with easy open top

    • Patent number 4,036,397
    • Issue date Jul 19, 1977
    • Christiana Metals Corporation
    • Thomas A. Walraven
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR