Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844574 | Mobile vacuum system | Levi J. Krutzfeldt, L. Shane Ingram, Vernon T. Stellman | 2020-11-24 |
| 10207863 | Apparatus for sealing a vacuum tank door | Cody L. Sewell | 2019-02-19 |
| 9821953 | Apparatus for sealing a vacuum tank door | Cody L. Sewell | 2017-11-21 |