Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157424 | Method and apparatus for manufacturing tamper-resistant identification cards | Robert Bilderback | 1992-10-20 |
| 4195923 | System for producing photographs | Ernest B. Marjoram, H. Dale Sandeffer, Charles Stewart | 1980-04-01 |