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Whitman Kwok
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Foster City, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Protective headgear with integrally-formed layer
Patent number
12,004,584
Issue date
Jun 11, 2024
ZAM Helmets Inc.
Whitman Kwok
A42 - HEADWEAR
Information
Patent Grant
Helmet with flexible structure for improved force attenuation
Patent number
11,771,165
Issue date
Oct 3, 2023
ZAM Helmets Inc.
Whitman Kwok
A42 - HEADWEAR
Information
Patent Grant
Adjustable chin cup
Patent number
11,766,084
Issue date
Sep 26, 2023
ZAM Helmets Inc.
Michael Lowe
A42 - HEADWEAR
Information
Patent Grant
Helmet with face cage push clip
Patent number
11,672,298
Issue date
Jun 13, 2023
ZAM Helmets Inc.
Michael Lowe
A42 - HEADWEAR
Information
Patent Grant
Helmet with flexible structure for improved force attenuation
Patent number
10,499,700
Issue date
Dec 10, 2019
ZAM Helmets Inc.
Whitman Kwok
A42 - HEADWEAR
Patents Applications
last 30 patents
Information
Patent Application
HELMET PADS WITH DIRECT-WELDED SUPPORT STRUCTURES
Publication number
20240081460
Publication date
Mar 14, 2024
David Stoutamire
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
HELMET STRUCTURES AND METHODS
Publication number
20230119234
Publication date
Apr 20, 2023
ZAM Helmets Inc.
David Stoutamire
A42 - HEADWEAR
Information
Patent Application
ADJUSTABLE CHIN CUP
Publication number
20220183416
Publication date
Jun 16, 2022
ZAM Helmets Inc.
Michael Lowe
A42 - HEADWEAR
Information
Patent Application
Helmet with Face Cage Push Clip
Publication number
20220022589
Publication date
Jan 27, 2022
Michael Lowe
A42 - HEADWEAR
Information
Patent Application
Personalized Protective Headgear
Publication number
20200138141
Publication date
May 7, 2020
ZAM Helmets Inc.
Whitman Kwok
A42 - HEADWEAR
Information
Patent Application
HELMET WITH FLEXIBLE STRUCTURE FOR IMPROVED FORCE ATTENUATION
Publication number
20200068978
Publication date
Mar 5, 2020
ZAM Helmets Inc.
Whitman Kwok
A42 - HEADWEAR
Information
Patent Application
HELMET WITH FLEXIBLE STRUCTURE FOR IMPROVED FORCE ATTENUATION
Publication number
20180184744
Publication date
Jul 5, 2018
ZAM Helmets Inc.
Whitman Kwok
A42 - HEADWEAR