Les Kaffko

Person

  • Crystal Lake, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Easy-open closure

    • Patent number 5,865,335
    • Issue date Feb 2, 1999
    • American National Can Company
    • Christopher J. Farrell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Easy open closure

    • Patent number 5,692,635
    • Issue date Dec 2, 1997
    • American National Can Company
    • Christopher J. Farrell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL