Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461247 | Golf putting practice apparatus | — | 2002-10-08 |
| 4915487 | Heads up display for night vision goggle | David C. Lambertson | 1990-04-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461247 | Golf putting practice apparatus | — | 2002-10-08 |
| 4915487 | Heads up display for night vision goggle | David C. Lambertson | 1990-04-10 |