Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D406995 | Combined baseball hat twist off bottle opener and key chain | Kurt Arne Petersen | 1999-03-23 |
| D406505 | Combined football helmet bottle twist-off opener and key chain | Kurt Arne Petersen | 1999-03-09 |
| D393788 | Combined baseball hat bottle opener and key chain holder | Kurt Arne Petersen | 1998-04-28 |