Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9844717 | Mobile baseball pitching mound | William S. Lee | 2017-12-19 |
| 9474954 | Mobile baseball pitching mound | William S. Lee | 2016-10-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9844717 | Mobile baseball pitching mound | William S. Lee | 2017-12-19 |
| 9474954 | Mobile baseball pitching mound | William S. Lee | 2016-10-25 |