Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226575 | Wet pick-up vacuum unit | Robert L. Hyatt, Norbert Niessner | 1980-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226575 | Wet pick-up vacuum unit | Robert L. Hyatt, Norbert Niessner | 1980-10-07 |