Inventor
BEVERAGE JR LYFORD
US4 patents
Patents
4 patentsUS12019496B2Jun 25, 2024
Portable playback device power management
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US12416963B2Sep 16, 2025
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US11513581B2Nov 29, 2022
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US11126243B2Sep 21, 2021
Portable playback device power management
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