Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8475550 | Self-optimizing odorant injection system | — | 2013-07-02 |
| 8349038 | Self optimizing odorant injection system | — | 2013-01-08 |
| 7389786 | Ultrasonic and sonic odorization systems | — | 2008-06-24 |
| 7056360 | Optical odorization system | — | 2006-06-06 |
| 6208913 | Chemical injection system | Stephen E. Marshall | 2001-03-27 |
| 5775884 | Modular pump assembly | Dennis Westmoreland | 1998-07-07 |
| 5490766 | Precision small displacement fluid pump | — | 1996-02-13 |
| 5406970 | Chemical injection system | Stephen E. Marshall | 1995-04-18 |