Thomas C. Johnson

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Roseau, MN, US

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Patents Grantslast 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
Visual indicator
- Patent number 6,067,927
- Issue date May 30, 2000
- Lenard W. Johnson
- G01 - MEASURING TESTING
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 Applicationslast 30 patents

Information Patent Application
BIN LEVEL INDICATOR
- Publication number 20190017859
- Publication date Jan 17, 2019
- THOMAS C. JOHNSON
- E04 - BUILDING
Information Patent Application
BIN LEVEL INDICATOR
- Publication number 20160216147
- Publication date Jul 28, 2016
- THOMAS C. JOHNSON
- G01 - MEASURING TESTING