William J. Pappas

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San Luis Obispo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Solid imaging system with removal of excess uncured build material
- Patent number 7,771,183
- Issue date Aug 10, 2010
- 3D Systems, Inc.
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for removing excess uncured build material in solid imaging
- Patent number 7,731,887
- Issue date Jun 8, 2010
- 3D Systems, Inc.
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Solid imaging apparatus and method
- Patent number 7,614,866
- Issue date Nov 10, 2009
- 3D Systems, Inc.
- Charles R. Sperry
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Solid Imaging System with Removal of Excess Uncured Build Material
- Publication number 20080206383
- Publication date Aug 28, 2008
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
SOLID IMAGING APPARATUS AND METHOD
- Publication number 20080169589
- Publication date Jul 17, 2008
- Charles R. Sperry
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method for Removing Excess Uncured Build Material in Solid Imaging
- Publication number 20080171284
- Publication date Jul 17, 2008
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL