Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6950374 | Timekeeping and magnifying device | — | 2005-09-27 |
| 6480441 | Timekeeping and magnifying device | — | 2002-11-12 |
| 5883860 | Timekeeping and magnifying device | — | 1999-03-16 |
| 5706255 | Timekeeping and magnifying device | — | 1998-01-06 |
| 5498192 | Top with precession tracing point for tracing unique spirals | Stephen Patrick DeZordo | 1996-03-12 |
| 5324226 | Top with precession tracing point for tracing unique spirals | Stephen Patrick DeZordo | 1994-06-28 |