Mark J.S. Ma

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Cerritos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Collapsible umbrella assembly having a canopy supported using stabi...
- Patent number 10,925,361
- Issue date Feb 23, 2021
- Mark J. S. Ma
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Umbrella having a pivot joint to provide additional degrees of free...
- Patent number 9,565,907
- Issue date Feb 14, 2017
- Mark J. S. Ma
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Umbrella having a pivot joint to provide additional degrees of free...
- Patent number 9,433,268
- Issue date Sep 6, 2016
- Mark J. S. Ma
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Parasol opening device
- Patent number 6,619,306
- Issue date Sep 16, 2003
- Mark J. S. Ma
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Tilt control device of large-sized parasol
- Patent number 6,311,705
- Issue date Nov 6, 2001
- Mark Joen Shen Ma
- A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents

Information Patent Application
UMBRELLA HAVING A PIVOT JOINT TO PROVIDE ADDITIONAL DEGREES OF FREE...
- Publication number 20150245692
- Publication date Sep 3, 2015
- Mark J.S. MA
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Application
UMBRELLA HAVING A PIVOT JOINT TO PROVIDE ADDITIONAL DEGREES OF FREE...
- Publication number 20140311537
- Publication date Oct 23, 2014
- Mark J.S. MA
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Application
Parasol opening device
- Publication number 20020129847
- Publication date Sep 19, 2002
- Mark J.S. Ma
- A45 - HAND OR TRAVELLING ARTICLES