Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690782 | Apparatus for integrally joining preformed thermoplastic core elements especially adapted for the continuous manufacture of melt-blown filter cartridges | Robert D. Connor, Robert J. Schmitt | 1997-11-25 |
| 5653833 | Method for integrally joining preformed thermoplastic core elements especially adapted for the continuous manufacture of melt-blown filter cartridges | Robert D. Connor, Robert J. Schmitt | 1997-08-05 |