Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840239 | Volumetric-to-gravimetric-to-volumetric converter scale | — | 1989-06-20 |
| 4184140 | Two-piece trimming potentiometer | Sydney W. Frey, Jr. | 1980-01-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840239 | Volumetric-to-gravimetric-to-volumetric converter scale | — | 1989-06-20 |
| 4184140 | Two-piece trimming potentiometer | Sydney W. Frey, Jr. | 1980-01-15 |