John L. Szajna

Person

  • Norridge, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Closure unit including measuring cup

    • Patent number 4,566,509
    • Issue date Jan 28, 1986
    • Continental Plastic Containers, Inc.
    • John L. Szajna
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Mold for large capacity containers

    • Patent number 4,565,516
    • Issue date Jan 21, 1986
    • Continental Plastic Containers, Inc.
    • John L. Szajna
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Bulge resistant bottle bottom

    • Patent number 4,502,607
    • Issue date Mar 5, 1985
    • Continental Plastic Containers, Inc.
    • John L. Szajna
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL