Alexander D. Liu

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Torrance, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Stress tearable tape
- Patent number 10,844,249
- Issue date Nov 24, 2020
- An-Hsia Liu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sticker with security arrangement
- Patent number 8,814,218
- Issue date Aug 26, 2014
- An-Hsia Liu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Carrying container folded from a die cut sheet material
- Patent number 8,672,122
- Issue date Mar 18, 2014
- An-Hsia Liu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sticker with security arrangement
- Patent number 8,312,655
- Issue date Nov 20, 2012
- An-Hsia Liu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Fiberboard carton with secured die cut insert
- Patent number 7,258,235
- Issue date Aug 21, 2007
- An-Hsia Liu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20190233680
- Publication date Aug 1, 2019
- An-Hsia LIU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Sticker with Security Arrangement
- Publication number 20130026748
- Publication date Jan 31, 2013
- An-Hsia LIU
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Sticker with security arrangement
- Publication number 20110126439
- Publication date Jun 2, 2011
- An-Hsia Liu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Carrying container folded from a die cut sheet material
- Publication number 20080011621
- Publication date Jan 17, 2008
- An-Hsia Liu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Fiberboard carton with secured die cut insert
- Publication number 20060042983
- Publication date Mar 2, 2006
- An-Hsia Liu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL