Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5772878 | Liquid filtration device | Alexander V. Eichelsheim | 1998-06-30 |
| D374912 | Filter housing | — | 1996-10-22 |
| 4311892 | Pressure limiting switch for an instrument air circuit | — | 1982-01-19 |