Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958813 | Aircraft ordinance mounting system | Mark D. Serkland, James A. Hardin | 2011-06-14 |
| 4440364 | Retractable aircraft step | David E. Jones, Richard C. Serkland | 1984-04-03 |