Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375991 | Ultrasonic cleaning method and apparatus | Samuel L. Sachs | 1983-03-08 |
| 4244749 | Ultrasonic cleaning method and apparatus for heat exchangers | Samuel L. Sachs | 1981-01-13 |