Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106428 | Method for cleaning containers | William J. Farrah | 1992-04-21 |
| 4941491 | Method and apparatus for cleaning containers | William J. Farrah | 1990-07-17 |
| 4443271 | Method for cleaning floor grates in place with high pressure water jets | — | 1984-04-17 |
| 4337784 | Method for cleaning floor surfaces with high pressure water jets | — | 1982-07-06 |
| 4219155 | High pressure water cleaning device for floors, gratings, and paint laden handling devices | — | 1980-08-26 |