Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9382748 | Intermediate member for extending the depth of a window or door and window or door constructed with same | Francis Manzella, John G. Kirchner, David S. Zhang | 2016-07-05 |
| 6030000 | Negotiable document having enhanced security for deterring fraud by use of a thermochromatic fingerprint image | — | 2000-02-29 |
| 5984364 | Negotiable document having enhanced security for deterring generation of copies by use of thermochromatic ink | — | 1999-11-16 |
| 5785353 | Negotiable document having enhanced security for deterring generation of copies of the negotiable document | — | 1998-07-28 |
| 5641183 | Method and apparatus for inhibiting the copying of checks and negotiable documents | — | 1997-06-24 |
| 5575508 | Method and apparatus for inhibiting the copying of checks and negotiable documents | — | 1996-11-19 |
| 5538290 | Method and apparatus for inhibiting the copying of checks and negotiable documents | — | 1996-07-23 |