Dawn Marie Freeman

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Westlake, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Alkaline battery having a dual-anode
- Patent number 11,677,082
- Issue date Jun 13, 2023
- ENERGIZER BRANDS, LLC
- Zhufang Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Long-chain surfactants for improving battery performance
- Patent number 11,437,655
- Issue date Sep 6, 2022
- ENERGIZER BRANDS, LLC
- Zhufang Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alkaline battery having a dual-anode
- Patent number 11,211,615
- Issue date Dec 28, 2021
- ENERGIZER BRANDS, LLC
- Zhufang Liu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ALKALINE BATTERY HAVING A DUAL-ANODE
- Publication number 20220077473
- Publication date Mar 10, 2022
- ENERGIZER BRANDS, LLC
- Zhufang Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ALKALINE BATTERY HAVING A DUAL-ANODE
- Publication number 20200106109
- Publication date Apr 2, 2020
- ENERGIZER BRANDS, LLC
- Zhufang Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LONG-CHAIN SURFACTANTS FOR IMPROVING BATTERY PERFORMANCE
- Publication number 20190288346
- Publication date Sep 19, 2019
- Energizer Brands LLC
- Zhufang Liu
- H01 - BASIC ELECTRIC ELEMENTS