Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Lighting device

Lighting device

US Patent D809171 · Granted Jan 30, 2018

Assignee

Energizer Brands

Inventors

Lai King Ma (29 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Handheld flashlight2018

Lighting device2017

Lighting device2016

Lighting device2016

Lighting device2016

Lighting device2016

Lighting device2015

Lighting device2015

Lighting device2015

Lighting device2015

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly