Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE45828 | Method for determining a printer's signature and the number of dots per inch printed in a document to provide proof that the printer printed a particular document | Donald G. Mackay, Robert A. Cordery, Hugh L. Brunk | 2015-12-29 |
| 8041645 | Document security utilizing color gradients | Robert A. Cordery, Donald G. Mackay | 2011-10-18 |
| 7995246 | Detecting printed image copies using phase-space-encoded fragile watermark | Robert A. Cordery, Bertrand Haas | 2011-08-09 |
| 7966267 | Method and system for validating a security marking | Judith D. Auslander, Robert A. Cordery | 2011-06-21 |
| 7827171 | Copy detection using contour analysis | William A. Brosseau, Bertrand Haas | 2010-11-02 |
| 7787152 | Copy detection system using correlations of copy detection patterns | Bertrand Haas, Zhijie Xu | 2010-08-31 |
| 7747544 | Meter tape with location indicator used for unique identification | Robert A. Cordery, Erik Monsen, Matthew John Campagna | 2010-06-29 |
| 7536553 | Method and system for validating a security marking | Judith D. Auslander, Robert A. Cordery | 2009-05-19 |
| 7446891 | Fragile watermark for detecting printed image copies | Bertrand Haas, Robert A. Cordery | 2008-11-04 |
| 7424975 | Method for printing two dimensional barcodes to reduce reading errors | Robert A. Cordery, Frederick W. Ryan, Jr. | 2008-09-16 |
| 7286685 | Halftone watermarking and related applications | Hugh L. Brunk | 2007-10-23 |
| 7191336 | Method for embedding information in an image | Robert A. Cordery, Donald G. Mackay, William A. Brosseau | 2007-03-13 |
| 7114657 | Fragile water mark printed with two component inks and process | Judith D. Auslander, Robert A. Cordery | 2006-10-03 |
| 7055746 | Postage indicia including color bar sequence to aid in authentication | Donald G. Mackay, Robert A. Cordery | 2006-06-06 |
| 7054461 | Authenticating printed objects using digital watermarks associated with multidimensional quality metrics | Donald G. Mackay, William Kilmartin, Robert A. Cordery, William A. Brosseau, Hugh L. Brunk +2 more | 2006-05-30 |
| 7013024 | Method for reading information that has been embedded in an image | Robert A. Cordery, Donald G. Mackay, William A. Brosseau | 2006-03-14 |
| 6947179 | Method for determining the information capacity of a paper channel and for designing or selecting a set of bitmaps representative of symbols to be printed on said channel | Robert A. Cordery, Mark Lanin | 2005-09-20 |
| 6911910 | Method for detecting and redirecting misdirected mail | Ronald P. Sansone, Leon A. Pintsov, Robert A. Cordery, Marc Morelli, Arthur Parkos +1 more | 2005-06-28 |
| 6904525 | Method for preventing counterfeiting of articles of manufacture | William Berson | 2005-06-07 |
| 6612684 | Method for determining a printer's signature to provide proof that the printer printed a particular document | Donald G. Mackay, Robert A. Cordery | 2003-09-02 |
| 6533385 | Method for determining a printer's signature and the number of dots per inch printed in a document to provide proof that the printer printed a particular document | Donald G. Mackay, Robert A. Cordery, Hugh L. Brunk | 2003-03-18 |
| 6391103 | Color imparting compositions for ink jet printer inks and machine readable ink compositions containing same | Judith Auslander, Richard A. Bernard | 2002-05-21 |
| 6284027 | Machine readable water based red fluorescent ink compositions | Judith Auslander, Richard A. Bernard | 2001-09-04 |
| 6058190 | Method and system for automatic recognition of digital indicia images deliberately distorted to be non readable | Robert A. Cordery, Leon A. Pintsov | 2000-05-02 |
| 5923343 | Mailing machine having a registration shield with improved air flow capability during ink jet printing on envelopes | William A. Brosseau, Mark Broschart, David B. Wilk | 1999-07-13 |