LDJ ELECTRONICS, INC.

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TROY, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Surface magnetometer with modulated flux gate section
- Patent number 5,287,056
- Issue date Feb 15, 1994
- LDJ Electronics, Inc.
- Leon D. Jackson
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for measuring the hysteresis loop of magnetic film
- Patent number 4,922,200
- Issue date May 1, 1990
- LDJ Electronics, Inc.
- Leon D. Jackson
- G01 - MEASURING TESTING
Information Patent Grant
Bulk tape erasing system
- Patent number 4,462,055
- Issue date Jul 24, 1984
- LDJ Electronics, Inc.
- Leon D. Jackson
- G11 - INFORMATION STORAGE
Information Patent Grant
Bulk tape eraser with rotating magnetic field
- Patent number 4,423,460
- Issue date Dec 27, 1983
- LDJ Electronics, Inc.
- Leon D. Jackson
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73497012 - LDJ
- Serial number 73497012
- Registration number 1349029
- Filing date Aug 29, 1984
- LDJ ELECTRONICS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73311621 - LDJ ELECTRONICS, INC.
- Serial number 73311621
- Filing date May 22, 1981
- LDJ ELECTRONICS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73311717 - REMEX
- Serial number 73311717
- Filing date May 22, 1981
- LDJ ELECTRONICS, INC.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry