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Danielle Proffit
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St. Louis, MO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Rechargeable hearing aid battery with slotted grommet
Patent number
11,949,060
Issue date
Apr 2, 2024
ENERGIZER BRANDS, LLC
Benjamin Sabrowsky
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal-air cells with minimal air access
Patent number
11,848,435
Issue date
Dec 19, 2023
ENERGIZER BRANDS, LLC
Tony Rubsam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal-air cells with minimal air access
Patent number
11,575,168
Issue date
Feb 7, 2023
ENERGIZER BRANDS, LLC
Tony Rubsam
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
METAL-AIR CELLS WITH MINIMAL AIR ACCESS
Publication number
20230155212
Publication date
May 18, 2023
ENERGIZER BRANDS, LLC
Tony Rubsam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METAL-AIR CELLS WITH MINIMAL AIR ACCESS
Publication number
20230006286
Publication date
Jan 5, 2023
ENERGIZER BRANDS, LLC
Tony Rubsam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RECHARGEABLE HEARING AID BATTERY WITH SLOTTED GROMMET
Publication number
20200083497
Publication date
Mar 12, 2020
ENERGIZER BRANDS, LLC
Benjamin Sabrowsky
H01 - BASIC ELECTRIC ELEMENTS