Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328793 | Plunger storage unit | J. Leaphart, C. Mark Leaphart, William L. Noack | 2008-02-12 |
| 7174784 | Apparatus for measuring a fluid level and methods | Brandon P. Grote, James E. Kesterman | 2007-02-13 |
| 6371154 | Apparatus and system for containment | James E. Kesterman | 2002-04-16 |