Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6171073 | Fluid vacuum safety device for fluid transfer and circulation systems | Paul C. McKain, Mark Fritze | 2001-01-09 |
| 5947700 | Fluid vacuum safety device for fluid transfer systems in swimming pools | Paul C. McKain, Mark Fritze | 1999-09-07 |