Jeffrey A. Crain

Person

  • Mounds, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Extensible and retractable rod

    • Patent number 5,070,620
    • Issue date Dec 10, 1991
    • Stephen B. Crain
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...