Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8578522 | System and method for controlling, draining, removing, and disposing of liquids and light solids | Michael Helmstetter | 2013-11-12 |
| 7621002 | System and method for controlling, draining, removing, and disposing of liquids and light solids | Michael Helmstetter | 2009-11-24 |