Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6886863 | Secure document with self-authenticating, encryptable font | Martin H. Hileman, Robert Haller | 2005-05-03 |
| 6394358 | Device for authenticating a security document | Daniel Thaxton | 2002-05-28 |
| 6318759 | Prismatic printing | Standale Joseph Cull, Stephen D. Webendorfer, Joseph V. Riccardella | 2001-11-20 |
| 6301363 | Security document including subtle image and system and method for viewing the same | — | 2001-10-09 |
| 6254007 | Security image element tiling scheme | — | 2001-07-03 |
| 6209923 | Security document and authentication scheme | Daniel Thaxton, Russell E. Hill | 2001-04-03 |
| 6206429 | Prismatic printing | Standale Joseph Cull, Stephen D. Webendorfer, Joseph V. Riccardella | 2001-03-27 |
| 6185001 | Printed document and method of determining the print quality of a printed document | Stephen D. Webendorfer, Joseph V. Riccardella | 2001-02-06 |
| 6167147 | Security document including pseudo-random image and method of making the same | Albert J. Fledderman | 2000-12-26 |
| 6161869 | Machine-readable security document and method of preparing the same | — | 2000-12-19 |
| 6139066 | Optically decodable security document | Standale Joseph Cull | 2000-10-31 |
| 6095425 | Machine-readable security document and method of preparing the same | — | 2000-08-01 |
| 6050607 | Security image element tiling scheme | — | 2000-04-18 |
| 6000728 | Security document | — | 1999-12-14 |
| 5954368 | Security document containing a non-orthogonal array | — | 1999-09-21 |
| 5951055 | Security document containing encoded data block | — | 1999-09-14 |
| 5853197 | Security document | A Dale Lakes | 1998-12-29 |
| 5403040 | Optically variable and machine-readable device for use on security documents | William J. Castle, Robert L. Neitman | 1995-04-04 |
| 5340159 | Varying tone security document | — | 1994-08-23 |
| 5209515 | Solvent and/or pressure sensitive security document | Mark Dotson, A. Dale Lakes | 1993-05-11 |
| 5197765 | Varying tone securing document | Alan L. Sink, George W. Stubbs, John Sedwick Simpson, John F. Kane | 1993-03-30 |
| 5149140 | Security, information document | Robert L. Neitman | 1992-09-22 |
| 5062666 | Financial instrument and method of making | James H. Schuelke, Robert L. White | 1991-11-05 |
| 5045426 | Toner adhesion-enhancing coating for security documents | Theodore Maierson, Dianne M. Potter | 1991-09-03 |
| 5029901 | Confidential information bearing article | Mark Dotson, William M. Saluke, A. Dale Lakes | 1991-07-09 |