Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234583 | Semi-permeable membrane filtering systems for swimming pools | — | 1993-08-10 |
| 5112483 | Slow sand/nanofiltration water treatment system | — | 1992-05-12 |
| 4771764 | Water-borne azimuth-altitude tracking solar concentrators | — | 1988-09-20 |
| 4296731 | Tracking booster and multiple mirror concentrator floating collector | — | 1981-10-27 |