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Steven Friedman
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Concord, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hardhat helmet
Patent number
D898999
Issue date
Oct 13, 2020
Guardhat, Inc.
Steven Friedman
D29 - Equipment for safety, protection, and rescue
Information
Patent Grant
Geo-localization assembly and methodology
Patent number
9,955,450
Issue date
Apr 24, 2018
Guardhat, Inc.
Saikat Dey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Assembly and method for calibrating a sensor on a wearable device
Patent number
9,686,136
Issue date
Jun 20, 2017
Guardhat, Inc.
Saikat Dey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Connection assembly for adjoining a peripheral with a host wearable...
Patent number
9,486,027
Issue date
Nov 8, 2016
Guardhat, Inc.
Saikat Dey
A42 - HEADWEAR
Patents Applications
last 30 patents
Information
Patent Application
ADHESIVE BANDAGE CAPABLE OF ADMINISTERING TEMPORARY TATTOO
Publication number
20230285195
Publication date
Sep 14, 2023
Steven Avi Friedman
B44 - DECORATIVE ARTS
Information
Patent Application
ADHESIVE BANDAGE CAPABLE OF ADMINISTERING TEMPORARY TATTOO
Publication number
20230285194
Publication date
Sep 14, 2023
Steven Avi Friedman
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Conversion Assembly for a Hard Hat
Publication number
20200305538
Publication date
Oct 1, 2020
Guardhat, Inc.
Steven Friedman
A42 - HEADWEAR
Information
Patent Application
Conversion Assembly for a Hard Hat
Publication number
20190125026
Publication date
May 2, 2019
Guardhat, Inc.
Steven Friedman
A42 - HEADWEAR
Information
Patent Application
Hard Hat Assembly
Publication number
20190037954
Publication date
Feb 7, 2019
Guardhat, Inc.
Steven Friedman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Geo-Localization Assembly and Method
Publication number
20180249438
Publication date
Aug 30, 2018
Guardhat, Inc.
Saikat Dey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Injector Device
Publication number
20170361028
Publication date
Dec 21, 2017
Steven Avi Friedman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Geo-Localization Assembly and Methodology
Publication number
20170289951
Publication date
Oct 5, 2017
Saikat Dey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Connection Assembly for Adjoining a Peripheral with a Host Wearable...
Publication number
20160213088
Publication date
Jul 28, 2016
Saikat Dey
A42 - HEADWEAR