| 6264873 |
Method of making a three-dimensional object by stereolithography |
John J. Gigl, Dennis R. Smalley, Jan Richter, Thomas H. Pang, Kerry J. Allen +4 more |
2001-07-24 |
| 6261507 |
Method of and apparatus for making a three-dimensional object by stereolithography |
John J. Gigl, Dennis R. Smalley, Thomas H. Pang, Kerry J. Allen, Hop D. Nguyen +2 more |
2001-07-17 |
| 6153312 |
Apparatus and methods for economically fabricating molded refractory articles using refractory mix displacing elements |
Kris Schmidt, Charles W. Hull |
2000-11-28 |
| 6048487 |
Recoating stereolithographic layers |
Thomas A. Almquist, Charles W. Hull, Borzo Modrek, Charles W. Lewis, Adam L. Cohen +5 more |
2000-04-11 |
| 6036911 |
Method of making a three-dimensional object by stereolithography |
Joseph W. Allison, Jan Richter, Craig M. Childers, Dennis R. Smalley, Charles W. Hull |
2000-03-14 |
| 5902537 |
Rapid recoating of three-dimensional objects formed on a cross-sectional basis |
Thomas A. Almquist, Charles W. Hull, Jeffrey S. Thayer, Richard N. Leyden, Dennis R. Smalley |
1999-05-11 |
| 5891382 |
Recoating of stereolithographic layers |
Thomas A. Almquist, Charles W. Hull, Borzo Modrek, Charles W. Lewis, Adam L. Cohen +5 more |
1999-04-06 |
| 5693144 |
Vibrationally enhanced stereolithographic recoating |
J. Scot Thompson, Hop D. Nguyen, Dennis R. Smalley |
1997-12-02 |
| 5688464 |
Vibrationally enhanced stereolithographic recoating |
J. Scot Thompson, Hop D. Nguyen, Dennis R. Smalley |
1997-11-18 |
| 5651934 |
Recoating of stereolithographic layers |
Thomas A. Almquist, Charles W. Hull, Borzo Modrek, Charles W. Lewis, Adam L. Cohen +2 more |
1997-07-29 |
| 5637169 |
Method of building three dimensional objects with sheets |
Charles W. Hull, Kris Schmidt, Dennis R. Smalley, Wayne A. Vinson |
1997-06-10 |
| 5609813 |
Method of making a three-dimensional object by stereolithography |
Joseph W. Allison, Dennis R. Smalley, Charles W. Hull |
1997-03-11 |
| 5258146 |
Method of and apparatus for measuring and controlling fluid level in stereolithography |
Thomas A. Almquist, Borzo Modrek, Charles W. Lewis, Mark Lewis, Abraham Liran +2 more |
1993-11-02 |
| 5256340 |
Method of making a three-dimensional object by stereolithography |
Joseph W. Allison, Jan Richter, Craig M. Childers, Dennis R. Smalley, Charles W. Hull |
1993-10-26 |
| 5238639 |
Method and apparatus for stereolithographic curl balancing |
Wayne A. Vinson, Joseph W. Allison, Dennis R. Smalley |
1993-08-24 |
| 5192559 |
Apparatus for building three-dimensional objects with sheets |
Charles W. Hull, Kris Schmidt, Dennis R. Smalley, Wayne A. Vinson |
1993-03-09 |
| 5182055 |
Method of making a three-dimensional object by stereolithography |
Joseph W. Allison, Jan Richter, Craig M. Childers, Dennis R. Smalley, Charles W. Hull |
1993-01-26 |
| 5174931 |
Method of and apparatus for making a three-dimensional product by stereolithography |
Thomas A. Almquist, Borzo Modrek, Charles W. Lewis, Mark Lewis, Abraham Liran |
1992-12-29 |
| 4748480 |
Controlled authentic document recognition equipment |
Thomas A. Whatley, John D. Worden, William Green, Kenneth I. Gustafson |
1988-05-31 |
| 4738901 |
Method and apparatus for the prevention of unauthorized copying of documents |
Joel R. Finkel, Kenneth I. Gustafson, William Green |
1988-04-19 |
| 4678322 |
Method and apparatus for the prevention of unauthorized copying of documents |
Joel R. Finkel, Kenneth I. Gustafson, William Green |
1987-07-07 |
| 4671839 |
Secure identification card manufacture |
Joel R. Finkel |
1987-06-09 |