Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612082 | Concrete reinforcing bar protective cover | Randy L. Sperry | 2003-09-02 |
| D460571 | Reinforcing bar protection cap | — | 2002-07-16 |
| D416630 | Reinforcing bar protection cap | Marcus William Powell, Richard Sylvan, Douglas James Spenner | 1999-11-16 |
| D416631 | Reinforcing bar protection cap | Marcus William Powell, Richard Sylvan, Douglas James Spenner | 1999-11-16 |
| 5884443 | Concrete reinforcing bar protective cover | Marcus William Powell, Richard Sylvan, Douglas James Spenner | 1999-03-23 |