Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D519823 | RV baggage door lock | Barbara J. Pickar, Christopher R. Zenner | 2006-05-02 |
| 6547290 | Stress reducing plunger tunnel for an improved door handle housing | Christopher R. Zenner | 2003-04-15 |