Nansheng Tang

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Valencia, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Calibrating a focused beam of energy in a solid freeform fabricatio...
- Patent number 6,646,728
- Issue date Nov 11, 2003
- 3D Systems, Inc.
- Nansheng Tang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic spot light control
- Patent number 6,426,840
- Issue date Jul 30, 2002
- 3D Systems, Inc.
- Jouni P. Partanen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stereolithographic method and apparatus for production of three dim...
- Patent number 6,406,658
- Issue date Jun 18, 2002
- 3D Systems, Inc.
- Chris R. Manners
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stereolithographic method and apparatus with enhanced control of pr...
- Patent number 6,325,961
- Issue date Dec 4, 2001
- 3D Systems, Inc.
- Ross D. Beers
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stereolithographic method and apparatus with enhanced control of pr...
- Patent number 6,129,884
- Issue date Oct 10, 2000
- 3D Systems, Inc.
- Ross D. Beers
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL