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David C. Wheatley
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Aberdeen, MD, US
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Patents Grants
last 30 patents
Information
Patent Grant
Serviceable cartridge assembly for respirator exhalation unit
Patent number
11,040,226
Issue date
Jun 22, 2021
D. WHEATLEY ENTERPRISES, INC.
David Wheatley
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Serviceable cartridge assembly for respirator exhalation unit
Patent number
10,279,204
Issue date
May 7, 2019
D. WHEATLEY ENTERPRISES, INC.
David Wheatley
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Modular voice amplification system for protective mask
Patent number
9,560,459
Issue date
Jan 31, 2017
D. Wheatley Enterprises, Inc.
David Wheatley
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Securing mechanism for a coupling device
Patent number
8,469,405
Issue date
Jun 25, 2013
Dave Wheatley Enterprises, Inc.
David C. Wheatley
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
NBC/CBRNE personal hydration system
Patent number
8,276,785
Issue date
Oct 2, 2012
D. Wheatley Enterprise, Inc.
David C. Wheatley
A45 - HAND OR TRAVELLING ARTICLES
Patents Applications
last 30 patents
Information
Patent Application
SERVICEABLE CARTRIDGE ASSEMBLY FOR RESPIRATOR EXHALATION UNIT
Publication number
20200346052
Publication date
Nov 5, 2020
D. Wheatley Enterprises, Inc.
David Wheatley
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
SERVICEABLE CARTRIDGE ASSEMBLY FOR RESPIRATOR EXHALATION UNIT
Publication number
20180289991
Publication date
Oct 11, 2018
D. Wheatley Enterprises, Inc.
David Wheatley
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
MODULAR VOICE AMPLIFICATION SYSTEM FOR PROTECTIVE MASK
Publication number
20160021472
Publication date
Jan 21, 2016
David Wheatley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURING MECHANISM FOR A COUPLING DEVICE
Publication number
20110089686
Publication date
Apr 21, 2011
David C. Wheatley
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...