Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457638 | Envelope pull opener | — | 2002-10-01 |
| 6447403 | Method and apparatus for improving putting skill | — | 2002-09-10 |
| 6384908 | Orientation dependent radiation source | Brian Stewart Randall Armstrong | 2002-05-07 |
| 6375580 | Automatic golf ball placement device | Ralph Marshall | 2002-04-23 |