Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6138876 | Multiple chamber liquid dispensing device | — | 2000-10-31 |
| 6027294 | Double nut thread friction locking safety cap device with opposing threads with a captured spring or spring lock washer | — | 2000-02-22 |
| 5860247 | Gas driven hydroponic system with a liquid pump outlet pipe connected to a variable buoyant float | — | 1999-01-19 |
| 5855463 | Bolt and nut thread friction locking device with opposite hand threads with a captured spring or spring lock washer | — | 1999-01-05 |
| 5813839 | Gas driven external combustion heat engine pump having the outlet pipe connected to a variable buoyant float | — | 1998-09-29 |
| 5662459 | Pressurized gas driven liquid pump having the outlet pipe connected to a variable buoyant float | — | 1997-09-02 |
| 4745707 | Plant pot assembly | — | 1988-05-24 |
| 4527353 | Irrigation/fertilization control and distribution system | — | 1985-07-09 |
| 4469472 | Pump mechanism powered by gaseous expansion | — | 1984-09-04 |
| 4407637 | Solar powered liquid metering device | — | 1983-10-04 |