Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606905 | Device for cooking foodstuffs | Robert W. Johnson | 1997-03-04 |
| 5599047 | Magnetic metallic safeguarding thread with negative writing and a method of making same | Wittich Kaule, Walter Schneider, Theodor Burchard | 1997-02-04 |