Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064598 | Process and apparatus for manufacturing a pleated filter insert | — | 1991-11-12 |
| 4358257 | Piston pump installation and method of operating the same | Niklaus Seiler | 1982-11-09 |