Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674057 | Submersible canned motor mixer pump | Richard F. Guardiani | 1997-10-07 |
| 5659214 | Submersible canned motor transfer pump | Richard F. Guardiani, Charles P. Nyilas, Timothy J. Denmeade | 1997-08-19 |