Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6397399 | Protective headguard | John Lampe, George C. Halvorson | 2002-06-04 |
| 6381760 | Protective headguard | John Lampe, George C. Halvorson | 2002-05-07 |
| 6349416 | Headguard-protective sports headband | John Lampe, George C. Halvorson | 2002-02-26 |
| 6266827 | Impact protection headguard | John Lampe, Kevin T. Fenton, George C. Halvorson, Seth G. Halvorson | 2001-07-31 |
| 5930841 | Soccer headguard | John Lampe, Kevin T. Fenton, George C. Halvorson | 1999-08-03 |