Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322571 | Method and apparatus for cleaning hoses | Raymond G. Plummer, Mike Kosmyna, Raymond J. Foley | 1994-06-21 |
| 5287867 | Apparatus and method for insuring and controlling turbulent flow for cleaning ducts | Raymond G. Plummer, Raymond J. Foley | 1994-02-22 |
| 4402030 | Electrostatic voltage control circuit | Richard Moser, Richard Weinstein | 1983-08-30 |