Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8616066 | Electronic readout for piston-type differential pressure gauge | Gregory S. Sprenger, Jeff Gibson | 2013-12-31 |
| 7187533 | Static charge neutralizer | Gregory S. Sprenger | 2007-03-06 |
| 6920031 | Static charge neutralizer | Gregory S. Sprenger | 2005-07-19 |
| 6569330 | Filter coalescer cartridge | Gregory S. Sprenger | 2003-05-27 |
| 6415930 | Separator cartridge | Gregory S. Sprenger | 2002-07-09 |
| 6068723 | Process for preparing a separator cartridge | Gregory S. Sprenger | 2000-05-30 |