Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Modular voice amplification system for protective mask

Modular voice amplification system for protective mask

US Patent 9560459 · Granted Jan 31, 2017

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hydration system adapted for use in CBRN environments2025
Nutrition tube connector for sealed nutrition pouch2025
Filter cartridge with turbulence generating features2024
Serviceable cartridge assembly for respirator exhalation unit2021
Serviceable cartridge assembly for respirator exhalation unit2021
Serviceable cartridge assembly for respirator exhalation unit2019
Serviceable cartridge assembly for respirator exhalation unit2019
Securing mechanism for a coupling device2013
Securing mechanism for a coupling device2013
NBC/CBRNE personal hydration system2012
NBC/CBRNE personal hydration system2012
Modular electrical connector assemblies with magnetic filter and/or visual indic2003