RL

Richard N. Leyden

3S 3D Systems: 16 patents #15 of 374Top 5%
HA Hughes Aircraft: 4 patents #389 of 2,963Top 15%
HA Huntsman Advanced Materials Americas: 2 patents #25 of 101Top 25%
VA Vantico: 1 patents #29 of 104Top 30%
Overall (All Time): #175,124 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8334025 Antimony-free photocurable resin composition and three dimensional article John Fong, Laurence Messe, Ranjana Patel, Carole Chapelat 2012-12-18
8227048 Photocurable compositions for preparing ABS-like articles Laurence Messe, Frank Tran, David Johnson, John Fong, Carole Chapelat +1 more 2012-07-24
7718111 Photocurable compositions for articles having stable tensile properties David Johnson, Frank Tran, John Fong, Ranjana Patel 2010-05-18
7232850 Photocurable compositions for articles having stable tensile properties David Johnson, Frank Tran, John Fong, Ranjana Patel 2007-06-19
7077638 Selective deposition modeling method and apparatus for forming three-dimensional objects and supports Jeffrey S. Thayer, Bryan J. L. Bedal, Thomas A. Almquist, Charles W. Hull, Jocelyn M. Earl +7 more 2006-07-18
6660209 Selective deposition modeling method and apparatus for forming three-dimensional objects and supports Jeffrey S. Thayer, Bryan J. L. Bedal, Thomas A. Almquist, Charles W. Hull, Jocelyn M. Earl +7 more 2003-12-09
6508971 Selective deposition modeling method and apparatus for forming three-dimensional objects and supports Jeffrey S. Thayer, Bryan J. L. Bedal, Thomas A. Almquist, Charles W. Hull, Jocelyn M. Earl +7 more 2003-01-21
6476122 Selective deposition modeling material 2002-11-05
6305769 Selective deposition modeling system and method Jeffrey S. Thayer, Thomas A. Almquist, Christian M. Merot, Bryan J. L. Bedal, Keith Denison +3 more 2001-10-23
6270335 Selective deposition modeling method and apparatus for forming three-dimensional objects and supports Jeffrey S. Thayer, Bryan J. L. Bedal, Thomas A. Almquist, Charles W. Hull, Jocelyn M. Earl +5 more 2001-08-07
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, Paul F. Jacobs +2 more 2001-07-17
6193923 Selective deposition modeling method and apparatus for forming three-dimensional objects and supports Jeffrey S. Thayer, Bryan J. L. Bedal, Thomas A. Almquist, Charles W. Hull, Jocelyn M. Earl +7 more 2001-02-27
6133355 Selective deposition modeling materials and method Charles W. Hull, Dinh Ton That 2000-10-17
5902537 Rapid recoating of three-dimensional objects formed on a cross-sectional basis Thomas A. Almquist, Charles W. Hull, Jeffrey S. Thayer, Paul F. Jacobs, Dennis R. Smalley 1999-05-11
5855836 Method for selective deposition modeling Charles W. Hull 1999-01-05
5248456 Method and apparatus for cleaning stereolithographically produced objects Herbert E. Evans, Jr., Ernest W. Ertley, Charles W. Hull 1993-09-28
5234636 Methods of coating stereolithographic parts Charles W. Hull, Marek Sekowski 1993-08-10
5143663 Stereolithography method and apparatus Thomas A. Almouist, Mark Lewis, Hop D. Nguyen 1992-09-01
4889585 Method for selectively forming small diameter holes in polyimide/Kevlar substrates Robert Lawrence, William E. Elias 1989-12-26
4781942 Process for the photochemical vapor deposition of siloxane polymers James T. Hall 1988-11-01
4639290 Methods for selectively removing adhesives from polyimide substrates Robert Lawrence 1987-01-27
4588609 Process for the photochemical vapor deposition of aromatic polymers James T. Hall 1986-05-13
4547395 Process for the photochemical vapor deposition of hetero-linked polymers James T. Hall 1985-10-15