Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5930458 | High efficiency ultra-pure fluid heater | Howard J. Base, Joseph E. James | 1999-07-27 |
| 5875283 | Purged grounded immersion heater | Howard J. Base | 1999-02-23 |
| 5021151 | Plastic impeller pump and filtration unit for semi-conductor etching system | — | 1991-06-04 |
| 4390776 | Immersion heater | Roger A. Yane | 1983-06-28 |