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Frank Chang
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San Marcos, CA, US
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last 30 patents
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Patent Grant
Intervertebral cage with porosity gradient
Patent number
11,596,527
Issue date
Mar 7, 2023
AlphaTec Spine, Inc.
Sri Vishnubhotla
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Intervertebral cage with porosity gradient
Patent number
10,940,019
Issue date
Mar 9, 2021
AlphaTec Spine, Inc.
Sri Vishnubhotla
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
Intervertebral Cage with Porosity Gradient
Publication number
20230172728
Publication date
Jun 8, 2023
ALPHATEC SPINE, INC.
Sri Vishnubhotla
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITE POROUS INTERBODIES AND METHODS OF MANUFACTURE
Publication number
20220087819
Publication date
Mar 24, 2022
ALPHATEC SPINE, INC.
Scott Robinson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Intervertebral cage with porosity gradient
Publication number
20210186708
Publication date
Jun 24, 2021
ALPHATEC SPINE, INC.
Sri Vishnubhotla
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
INTERVERTEBRAL CAGE WITH POROSITY GRADIENT
Publication number
20180263785
Publication date
Sep 20, 2018
ALPHATEC SPINE, INC.
Sri Vishnubhotla
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE