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LTJ Enterprises, Inc.
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Waldorf, MD, US
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Patents Grants
last 30 patents
Information
Patent Grant
Bin level indicator
Patent number
10,557,740
Issue date
Feb 11, 2020
LTJ Enterprises, Inc.
Thomas C. Johnson
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Bin level inicator
Patent number
10,408,659
Issue date
Sep 10, 2019
LTJ Enterprises, Inc.
Thomas C. Johnson
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Material level indicator actuator
Patent number
D848874
Issue date
May 21, 2019
LTJ Enterprises, Inc.
Thomas C. Johnson
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Combined timepiece and golfing tool
Patent number
D348402
Issue date
Jul 5, 1994
LTJ Enterprises
Thomas L. McDonald
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Actuator for visual indicator
Patent number
5,088,323
Issue date
Feb 18, 1992
LTJ Enterprises, Inc.
Leonard W. Johnson
G01 - MEASURING TESTING
Information
Patent Grant
Visual indicator
Patent number
4,829,820
Issue date
May 16, 1989
LTJ Enterprises, Inc.
Lenard W. Johnson
G01 - MEASURING TESTING
Information
Patent Grant
Visual indicator
Patent number
4,799,383
Issue date
Jan 24, 1989
LTJ Enterprises, Inc.
Thomas C. Johnson
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
86017758 - LEVALERT INDICATOR MANUFACTURED BY LTJ ENTERPRISES INC R...
Serial number
86017758
Filing date
Jul 23, 2013
LTJ ENTERPRISES, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
85046059 - LEVALERT
Serial number
85046059
Registration number
3900587
Filing date
May 24, 2010
LTJ ENTERPRISES, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
85042736 - LEVALERT
Serial number
85042736
Registration number
3900336
Filing date
May 19, 2010
LTJ ENTERPRISES, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74693453 - LEVALERT
Serial number
74693453
Registration number
2095657
Filing date
Jun 26, 1995
LTJ ENTERPRISES, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74248407 - TIME TOOL
Serial number
74248407
Registration number
1724002
Filing date
Feb 21, 1992
LTJ Enterprises, Inc.
28 - Games and playthings
Information
Trademark
73705045 - E-Z EYE
Serial number
73705045
Registration number
1556592
Filing date
Jan 11, 1988
LTJ ENTERPRISES, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments