Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5720670 | Golf practice apparatus | Bruce Joseph Oxley, Gary A. Stegmeier | 1998-02-24 |
| 4280553 | System and process for storing energy | Samuel L. Bean, James W. Swaine, Jr. | 1981-07-28 |