Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D513519 | Eyeglass retainer | — | 2006-01-10 |
| 6764177 | Eyeglass retainer | — | 2004-07-20 |
| D486174 | Eyeglass retainer | — | 2004-02-03 |
| 6148993 | Key-concealing pouch for carrying small articles | Beirne Chisolm | 2000-11-21 |
| D358006 | Detachable visor for application to a helmet | Beirne Chisolm | 1995-05-02 |