Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860717 | Self-loading, remotely operable and variable, portable ball throwing apparatus and method | Bert L. Powell, Jr. | 1989-08-29 |
| 4844045 | Self-loading, remotely operable and variable, portable ball throwing apparatus and method | Bert L. Powell, Jr. | 1989-07-04 |