Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120384 | Custom-fabricated golf club device and method | — | 2000-09-19 |
| 4316195 | Rotating dual frequency range antenna system | Leonard J. Steffek | 1982-02-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120384 | Custom-fabricated golf club device and method | — | 2000-09-19 |
| 4316195 | Rotating dual frequency range antenna system | Leonard J. Steffek | 1982-02-16 |