Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4261796 | Self-cleaning fractional water distiller | — | 1981-04-14 |
| 4239601 | Water distiller with volatile pollutants removal stage | — | 1980-12-16 |
| 4230530 | Self-cleaning water distiller with intermittent overflow | Robert R. Keegan | 1980-10-28 |
| D254441 | Water distiller | — | 1980-03-11 |