Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9538895 | Whisk broom with squeegee | Stephen R. Shippen, Scott M. Shippen, David S. Shippen | 2017-01-10 |
| 9532694 | Combination whisk broom with squeegee | Scott M. Shippen, Stephen R. Shippen, David S. Shippen | 2017-01-03 |