Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225994 | Financial transaction card with sound recording | — | 2007-06-05 |
| 6902116 | Method for making a financial transaction card with embedded electronic circuitry | — | 2005-06-07 |
| 6817532 | Wallet card with built-in light | — | 2004-11-16 |
| 6769618 | Wallet card with a magnifying lens and light | — | 2004-08-03 |
| 6176430 | Method for making a wallet card with an integral magnifying lens | Don Joyce, Laurence Mayer, Robert Mayer, Michael Nicholson | 2001-01-23 |
| 5856661 | Credit card with magnifying lens formed with a radiation-curable resin | Ron Gschwandtner | 1999-01-05 |
| D387802 | Credit card with magnifying lens | Donald A. Dixon, Robert H. Boede | 1997-12-16 |
| 5608203 | Credit card with magnifying lens | Donald A. Dixon, Robert H. Boede | 1997-03-04 |
| 5434405 | Credit card with a fresnel magnifying lens formed in a section of the transparent core | Donald A. Dixon, Robert H. Boede | 1995-07-18 |
| D359305 | Credit card with magnifying lens design | — | 1995-06-13 |
| 5412199 | Credit card with magnifying lens | Donald A. Dixon, Robert H. Boede | 1995-05-02 |