Ralph E. Johnson — 13 Patents at Mag Instrument

Ralph E. Johnson has been granted 13 US patents while listed as an inventor at Mag Instrument. The first was granted in 1989 and the most recent in October 2002. Ralph E. Johnson ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Ralph E. Johnson in Los Alamitos, CA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date
6457840	Rechargeable miniature flashlight	Anthony Maglica, Armis L. Lewis	2002-10-01
6296368	Rechargeable miniature flashlight	Anthony Maglica, Armis L. Lewis	2001-10-02
6086219	Rechargeable miniature flashlight	Anthony Maglica, Armis L. Lewis	2000-07-11
5836672	Rechargeable miniature flashlight	Anthony Maglica, Armis L. Lewis	1998-11-17
5528472	Rechargeable miniature flashlight	Anthony Maglica, Armis L. Lewis	1996-06-18
5455752	Rechargeable miniature flashlight	Anthony Maglica, Armis L. Lewis	1995-10-03
5267130	Rechargeable miniature flashlight	Anthony Maglica, Armis L. Lewis	1993-11-30
5193898	Rechargeable miniature flashlight	Anthony Maglica, Armis L. Lewis	1993-03-16
5121308	Miniature flashlight with two switches	Anthony Maglica, Armis L. Lewis	1992-06-09
5008785	Rechargeable miniature flashlight	Anthony Maglica, Armis L. Lewis	1991-04-16
4885668	Heat shield	Anthony Maglica	1989-12-05
D303107	Miniature flashlight recharger	Anthony Maglica, Armis L. Lewis	1989-08-29
4823242	Double switch miniature flashlight	Anthony Maglica, Armis L. Lewis	1989-04-18

Ralph E. Johnson — 13 Patents

Issued Patents All Time

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