Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D416630 | Reinforcing bar protection cap | Jerry D. Schimmelpfennig, Marcus William Powell, Richard Sylvan | 1999-11-16 |
| D416631 | Reinforcing bar protection cap | Jerry D. Schimmelpfennig, Marcus William Powell, Richard Sylvan | 1999-11-16 |
| 5884443 | Concrete reinforcing bar protective cover | Jerry D. Schimmelpfennig, Marcus William Powell, Richard Sylvan | 1999-03-23 |