Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4677384 | Target-identifying metal detector | — | 1987-06-30 |
| 4507612 | Metal detector systems for identifying targets in mineralized ground | — | 1985-03-26 |
| D277313 | Hand-held pipetting device | Michael A. Alvarez, George Fried | 1985-01-22 |
| D277314 | Hand-held pipetting device | Michael A. Alvarez, George Fried | 1985-01-22 |
| D277315 | Base for a pipetting device | Michael A. Alvarez, George Fried | 1985-01-22 |
| 4470015 | Metal detector system with undesirable target and mineralized ground discrimination | Richard E. Hirschi | 1984-09-04 |