3900 CORP.

Organization

  • BALTIMORE, MD, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual loop hose clamp

    • Patent number 4,958,419
    • Issue date Sep 25, 1990
    • 3900 Corp.
    • John E. Heckethorn
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Segmented Vee clamp

    • Patent number 4,722,561
    • Issue date Feb 2, 1988
    • 3900 Corp.
    • John E. Heckethorn
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motor vehicle garaging safety methods, and apparatus and systems

    • Patent number 4,665,378
    • Issue date May 12, 1987
    • 3900 Corp.
    • John E. Heckethorn
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73628136 - BIG YELLOW

    • Serial number 73628136
    • Filing date Nov 3, 1986
    • 3900 CORP.
    • 6 - Common metals and their alloys