Dale H. Johnson

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Elgin, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-testing hazard sensing device
- Patent number 11,756,400
- Issue date Sep 12, 2023
- Honeywell International Inc.
- Bruce R. Griffith
- G08 - SIGNALLING
Information Patent Grant
Self-testing hazard sensing device
- Patent number 11,227,473
- Issue date Jan 18, 2022
- Honeywell International Inc.
- Bruce R. Griffith
- G08 - SIGNALLING
Information Patent Grant
Systems and methods of conserving battery life in ambient condition...
- Patent number 9,934,672
- Issue date Apr 3, 2018
- Honeywell International Inc.
- Dale H. Johnson
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SELF-TESTING HAZARD SENSING DEVICE
- Publication number 20220139185
- Publication date May 5, 2022
- Honeywell International Inc.
- Bruce R. Griffith
- G08 - SIGNALLING
Information Patent Application
SYSTEMS AND METHODS OF CONSERVING BATTERY LIFE IN AMBIENT CONDITION...
- Publication number 20170092097
- Publication date Mar 30, 2017
- Honeywell International Inc.
- Dale H. Johnson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETECTOR TEST DEVICE
- Publication number 20100326165
- Publication date Dec 30, 2010
- Honeywell International Inc.
- Timothy A. Rauworth
- G01 - MEASURING TESTING