Patents by Inventor Ralph Emsley Johnson

Ralph Emsley Johnson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rechargeable miniature flashlight
    Publication number: 20030043576
    Abstract: A miniature two or three cell flashlight as disclosed to comprise a barrel, a tailcap, a head assembly, and means for holding a miniature lamp bulb for providing interruptible electrical coupling to dry cell batteries retained within the barrel and having a charger for charging the rechargeable batteries via conductors in the tailcap.
    Type: Application
    Filed: October 8, 2002
    Publication date: March 6, 2003
    Applicant: Mag Instrument, Inc.
    Inventors: Anthony Maglica, Ralph Emsley Johnson, Armis L. Lewis
  • Rechargeable miniature flashlight
    Patent number: 6457840
    Abstract: A miniature two or three cell flashlight as disclosed to comprise a barrel, a tailcap, a head assembly, and means for holding a miniature lamp bulb and for providing interruptible electrical coupling to dry cell batteries retained within the barrel and having a charger for charging the rechargeable batteries via conductors in the tailcap.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: October 1, 2002
    Assignee: Mag Instrument, Inc.
    Inventors: Anthony Maglica, Ralph Emsley Johnson, Armis L. Lewis
  • Rechargeable miniature flashlight
    Publication number: 20020012245
    Abstract: A miniature two or three cell flashlight as disclosed to comprise a barrel, a tailcap, a head assembly, and means for holding a miniature lamp bulb and for providing interruptible electrical coupling to dry cell batteries retained within the barrel and having a charger for charging the rechargeable batteries via conductors in the tailcap.
    Type: Application
    Filed: September 27, 2001
    Publication date: January 31, 2002
    Applicant: Mag Instrument, Inc.
    Inventors: Anthony Maglica, Ralph Emsley Johnson, Armis L. Lewis
  • Rechargeable miniature flashlight
    Patent number: 6296368
    Abstract: A miniature two or three cell flashlight as disclosed to comprise a barrel, a tailcap, a head assembly, and means for holding a miniature lamp bulb and for providing interruptible electrical coupling to dry cell batteries retained within the barrel and having a charger for charging the rechargeable batteries via conductors in the tailcap.
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: October 2, 2001
    Assignee: Mag Instrument, Inc.
    Inventors: Anthony Maglica, Ralph Emsley Johnson, Armis L. Lewis
  • Rechargeable miniature flashlight
    Patent number: 6086219
    Abstract: A miniature two or three cell flashlight as disclosed to comprise a barrel, a tailcap, a head assembly, and means for holding a miniature lamp bulb and for providing interruptible electrical coupling to dry cell batteries retained within the barrel and having a charger for charging the rechargeable batteries via conductors in the tailcap.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: July 11, 2000
    Assignee: Mag Instrument, Inc.
    Inventors: Anthony Maglica, Ralph Emsley Johnson, Armis L. Lewis
  • Rechargeable miniature flashlight
    Patent number: 5836672
    Abstract: A miniature two or three cell flashlight as disclosed to comprise a barrel, a tailcap, a head assembly, and means for holding a miniature lamp bulb and for providing interruptible electrical coupling to dry cell batteries retained within the barrel and having a charger for charging the rechargeable batteries via conductors in the tailcap.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: November 17, 1998
    Assignee: Mag Instrument, Inc.
    Inventors: Anthony Maglica, Ralph Emsley Johnson, Armis L. Lewis