Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D850046 | Combination whisk broom with squeegee and dustpan | Ben R. Shippen, Stephen R. Shippen, David S. Shippen | 2019-05-28 |
| 9538895 | Whisk broom with squeegee | Ben R. Shippen, Stephen R. Shippen, David S. Shippen | 2017-01-10 |
| 9532694 | Combination whisk broom with squeegee | Ben R. Shippen, Stephen R. Shippen, David S. Shippen | 2017-01-03 |
| D739360 | Controller | — | 2015-09-22 |