Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5927716 | Game ticket protection system | Peter Berlin, Ernest W. Fiedler | 1999-07-27 |
| 5359658 | Key marking overlay for alphanumeric keypads | — | 1994-10-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5927716 | Game ticket protection system | Peter Berlin, Ernest W. Fiedler | 1999-07-27 |
| 5359658 | Key marking overlay for alphanumeric keypads | — | 1994-10-25 |