Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D500239 | Shingle lifting tool | Thomas W. Parker, Charles B. Wilson, Richard Henderson Harris, Michael Douglas Rowe | 2004-12-28 |
| D498129 | Shingle lifting tool | Thomas W. Parker, Charles B. Wilson, Richard Henderson Harris, Michael Douglas Rowe | 2004-11-09 |