Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685896 | Linear choke shuttle/orifice check valve mechanism for a twin tower air dryer | T. Kevin Castle | 1997-11-11 |
| 5673493 | Telecoping desiccant cartridge for an air dryer disposed in an air system | T. Kevin Castle | 1997-10-07 |
| 5662727 | Twin tower air dryer for an air compressor unit | T. Kevin Castle | 1997-09-02 |
| 5604991 | Switching and purging mechanism for a twin tower air dryer | T. Kevin Castle | 1997-02-25 |