Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7048090 | Safety apparatus for arresting the fall of a worker | Troy Joseph Birnbrauer | 2006-05-23 |
| D498855 | Safety post | Troy Joseph Birnbrauer | 2004-11-23 |
| 6691826 | Safety apparatus | — | 2004-02-17 |
| 6312307 | Singing toy device and method | — | 2001-11-06 |
| D359409 | Bathroom toy holder | — | 1995-06-20 |