Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D357559 | Hot water vacuum extraction machine | — | 1995-04-18 |
| 5394587 | Hot water vacuum extraction machine with float sealed riser tube shut-off device | — | 1995-03-07 |
| 5343592 | Hot water vacuum extraction machine with submicron size particle | — | 1994-09-06 |
| D272572 | Caddy for vacuum cleaner attachment tools | — | 1984-02-07 |
| D270960 | Wet/dry vacuum cleaner | Michael C. Parise | 1983-10-11 |
| D267906 | Electrified vacuum hose for a wet/dry vaccum cleaner | Rainer Schulz | 1983-02-08 |
| 4367565 | Double insulated wet/dry vacuum extraction machine | — | 1983-01-11 |
| D266864 | Water valve for a carpet cleaner or the like | Rainer Schulz | 1982-11-09 |
| 4316304 | Double disconnect, waterproof electrical connector assembly for electrified vacuum hose for wet/dry vacuum cleaner | Rainer Schulz | 1982-02-23 |
| 4316600 | Fast acting, nonrepairable plastic on/off valve | Rainer Schulz | 1982-02-23 |
| 4288885 | Hot water vacuum extraction machine with reverse fan cooled vacuum motor | — | 1981-09-15 |
| D259554 | Aircraft | Lawrence K. Heuberger | 1981-06-16 |
| D257846 | Power scrubber | Gary L. Fullerton, Wallace O. Birdsall | 1981-01-13 |
| 4234995 | Power scrubber with pivotably mounted recovery head | — | 1980-11-25 |