Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D357786 | Lift for an automobile | — | 1995-04-25 |
| 5147560 | Method for monitoring turbidity of waste liquid in backwashing filter beds | — | 1992-09-15 |
| 5089117 | Apparatus for sequentially backwashing a plurality of seriate filter beds | — | 1992-02-18 |
| 5089130 | Filter cell sheet installations | — | 1992-02-18 |
| D261988 | Packaging container | L. D. Robison, Samuel C. Swalby | 1981-11-24 |