Charles W. Lewis

Person

Van Nuys, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for production of high resolution three-dimens...
- Patent number 6,600,965
- Issue date Jul 29, 2003
- 3D Systems, Inc.
- Charles W. Hull
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Stereolithographic curl reduction
- Patent number 6,048,188
- Issue date Apr 11, 2000
- 3D Systems, Inc.
- Charles W. Hull
- B44 - DECORATIVE ARTS
Information Patent Grant
Recoating stereolithographic layers
- Patent number 6,048,487
- Issue date Apr 11, 2000
- 3D Systems, Inc.
- Thomas A. Almquist
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Recoating of stereolithographic layers
- Patent number 5,891,382
- Issue date Apr 6, 1999
- 3D System, Inc.
- Thomas A. Almquist
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for production of high resolution three-dimens...
- Patent number 5,870,307
- Issue date Feb 9, 1999
- 3D Systems, Inc.
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stereolithographic curl reduction
- Patent number 5,772,947
- Issue date Jun 30, 1998
- Charles W. Hull
- B44 - DECORATIVE ARTS
Information Patent Grant
Recoating of stereolithographic layers
- Patent number 5,651,934
- Issue date Jul 29, 1997
- 3D Systems, Inc.
- Thomas A. Almquist
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus and related method for forming a substantially flat stere...
- Patent number 5,447,822
- Issue date Sep 5, 1995
- 3D Systems, Inc.
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for production of high resolution three-dimens...
- Patent number 5,345,391
- Issue date Sep 6, 1994
- 3D Systems, Inc.
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stereolithographic curl reduction
- Patent number 5,273,691
- Issue date Dec 28, 1993
- 3D Systems, Inc.
- Charles W. Hull
- B44 - DECORATIVE ARTS
Information Patent Grant
Method of and apparatus for measuring and controlling fluid level i...
- Patent number 5,258,146
- Issue date Nov 2, 1993
- 3D Systems, Inc.
- Thomas A. Almquist
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for production of high resolution three-dimens...
- Patent number 5,184,307
- Issue date Feb 2, 1993
- 3D Systems, Inc.
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of and apparatus for making a three-dimensional product by s...
- Patent number 5,174,931
- Issue date Dec 29, 1992
- 3D Systems, Inc.
- Thomas A. Almquist
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for production of three-dimensional objects by...
- Patent number 5,137,662
- Issue date Aug 11, 1992
- 3 D Systems, Inc.
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stereolithographic apparatus and method
- Patent number 5,133,987
- Issue date Jul 28, 1992
- 3D Systems, Inc.
- Stuart T. Spence
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of and apparatus for production of three-dimensional objects...
- Patent number 5,104,592
- Issue date Apr 14, 1992
- 3D Systems, Inc.
- Charles W. Hull
- B44 - DECORATIVE ARTS
Information Patent Grant
Methods and apparatus for production of three-dimensional objects b...
- Patent number 5,059,359
- Issue date Oct 22, 1991
- 3 D Systems, Inc.
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Methods and apparatus for production of three-dimensional objects b...
- Patent number 4,999,143
- Issue date Mar 12, 1991
- 3D Systems, Inc.
- Charles W. Hull
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Charles W. Lewis

Person

Patents Grantslast 30 patents

Method and apparatus for production of high resolution three-dimens...

Stereolithographic curl reduction

Recoating stereolithographic layers

Recoating of stereolithographic layers

Method and apparatus for production of high resolution three-dimens...

Stereolithographic curl reduction

Recoating of stereolithographic layers

Apparatus and related method for forming a substantially flat stere...

Method and apparatus for production of high resolution three-dimens...

Stereolithographic curl reduction

Method of and apparatus for measuring and controlling fluid level i...

Method and apparatus for production of high resolution three-dimens...

Method of and apparatus for making a three-dimensional product by s...

Method and apparatus for production of three-dimensional objects by...

Stereolithographic apparatus and method

Method of and apparatus for production of three-dimensional objects...

Methods and apparatus for production of three-dimensional objects b...

Methods and apparatus for production of three-dimensional objects b...