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Tiffany Du
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Westminster, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Face mask with two inner compartments
Patent number
D1010938
Issue date
Jan 9, 2024
Tiffany Du
D29 - Equipment for safety, protection, and rescue
Information
Patent Grant
Three-piece nesting cat litter device
Patent number
11,219,189
Issue date
Jan 11, 2022
Tiffany Du
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Three-piece nasal aspirator
Patent number
D869651
Issue date
Dec 10, 2019
Tiffany Du
D24 - Medical and laboratory equipment
Information
Patent Grant
Key holder
Patent number
D749837
Issue date
Feb 23, 2016
Tiffany Du
D03 - Travel goods and personal belongings
Information
Patent Grant
Combination hair pick and comb
Patent number
D714491
Issue date
Sep 30, 2014
Tiffany Du
D28 - Cosmetic products and toilet articles
Information
Patent Grant
Combination funnel and water filter
Patent number
D712508
Issue date
Sep 2, 2014
Tiffany Du
D23 - Environmental heating and cooling
Information
Patent Grant
Two piece infant nasal aspirator
Patent number
D712535
Issue date
Sep 2, 2014
Tiffany Du
D24 - Medical and laboratory equipment
Information
Patent Grant
Extendable capacitive stylus
Patent number
D694238
Issue date
Nov 26, 2013
Tiffany Du
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Combined tennis racket and gear carry bag
Patent number
D682548
Issue date
May 21, 2013
Tiffany Du
D03 - Travel goods and personal belongings
Information
Patent Grant
Solar bicycle safety light
Patent number
D680252
Issue date
Apr 16, 2013
Tiffany Du
D26 - Lighting
Information
Patent Grant
Luggage with shoe compartments
Patent number
D679090
Issue date
Apr 2, 2013
Tiffany Du
D03 - Travel goods and personal belongings
Information
Patent Grant
Key holder
Patent number
D677048
Issue date
Mar 5, 2013
Tiffany Du
D03 - Travel goods and personal belongings
Information
Patent Grant
Postal carrier mail bag
Patent number
D673773
Issue date
Jan 8, 2013
Tiffany Du
D03 - Travel goods and personal belongings
Information
Patent Grant
Tote bag with cover flap and divided interior
Patent number
D670906
Issue date
Nov 20, 2012
Tiffany Du
D03 - Travel goods and personal belongings
Information
Patent Grant
Combination exercise-massage device
Patent number
8,292,837
Issue date
Oct 23, 2012
Tiffany Du
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Protective laptop travel case
Patent number
D668456
Issue date
Oct 9, 2012
Tiffany Du
D03 - Travel goods and personal belongings
Information
Patent Grant
Combined toilet cleaning brush with T-shaped handle and holder ther...
Patent number
D661101
Issue date
Jun 5, 2012
Tiffany Du
D04 - Brushware
Information
Patent Grant
Handbag
Patent number
D661088
Issue date
Jun 5, 2012
Tiffany Du
D03 - Travel goods and personal belongings
Information
Patent Grant
Exercise device universally attachable to a treadmill
Patent number
D661357
Issue date
Jun 5, 2012
Tiffany Du
D21 - Games, toys, and sports goods
Information
Patent Grant
Hair trap for drain
Patent number
D650471
Issue date
Dec 13, 2011
Tiffany Du
D23 - Environmental heating and cooling
Information
Patent Grant
Toilet flush foot pedal
Patent number
D649233
Issue date
Nov 22, 2011
Tiffany Du
D23 - Environmental heating and cooling
Information
Patent Grant
Combined cell phone case and wallet
Patent number
D639552
Issue date
Jun 14, 2011
Tiffany Du
D03 - Travel goods and personal belongings
Information
Patent Grant
Combination portable toilet and baby diaper changing table
Patent number
D637272
Issue date
May 3, 2011
Tiffany Du
D23 - Environmental heating and cooling
Information
Patent Grant
Athletic and travel bag
Patent number
D623409
Issue date
Sep 14, 2010
Tiffany Du
D03 - Travel goods and personal belongings
Patents Applications
last 30 patents
Information
Patent Application
THREE-PIECE NESTING CAT LITTER DEVICE
Publication number
20200323166
Publication date
Oct 15, 2020
Tiffany Du
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
COMBINATION EXERCISE - MASSAGE DEVICE
Publication number
20110237987
Publication date
Sep 29, 2011
Tiffany Du
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE