Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028642 | Whistle with finger grip | — | 2011-10-04 |
| D621290 | Whistle with finger grip | — | 2010-08-10 |
| D555529 | Multi chambered whistle | Graham Hills, Steve Orzel | 2007-11-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028642 | Whistle with finger grip | — | 2011-10-04 |
| D621290 | Whistle with finger grip | — | 2010-08-10 |
| D555529 | Multi chambered whistle | Graham Hills, Steve Orzel | 2007-11-20 |