Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852413 | Water sampler rosette | by Deborah E. Niskin, executor | 1989-08-01 |
| 4744256 | Airborne water sampler device | — | 1988-05-17 |
| 4708321 | Multiple sheave assembly with angled rollers | — | 1987-11-24 |
| 4690380 | Sheave assembly with multiple pulleys used to measure cable angle | Gerald J. Williams | 1987-09-01 |
| 4593570 | Water sampler device with key | — | 1986-06-10 |
| 4545243 | Nonrotating current meter housing | — | 1985-10-08 |
| 4492363 | Multiple pulley sheave assembly with retainer pulleys | — | 1985-01-08 |
| 4417718 | Counter balanced sheave assembly with multiple pulleys | — | 1983-11-29 |
| 4350931 | Light saver device | — | 1982-09-21 |
| 4347751 | Electric water sampling device | Gerald J. Williams | 1982-09-07 |
| 4307605 | Current meter | — | 1981-12-29 |
| 4302974 | Water sampling device | — | 1981-12-01 |
| 4301995 | Counter-balanced sheave | — | 1981-11-24 |
| 4295675 | Cover for port light | — | 1981-10-20 |