Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11235218 | Golf swing training apparatus | — | 2022-02-01 |
| 5117679 | Testing apparatus and method | Kenneth Lewtas, Edwin William Lehmann, John N. Mears, Leslie G. Jones | 1992-06-02 |