Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11022012 | Fluid method and system | Daniel Cadigan, William Rosanio | 2021-06-01 |
| 5250159 | Bipolar membrane stack and method for producing acid and monovalent base from impure salt | — | 1993-10-05 |
| 5207879 | Bipolar membrane stack and method for production of low chloride sodium hydroxide | — | 1993-05-04 |
| 4880513 | Method and apparatus for generating acid and base regenerants and the use thereof to regenerate ion-exchange resins | Thomas A. Davis | 1989-11-14 |
| 4858075 | RF shielded and electrically insulated circuit board structure and method of making same | — | 1989-08-15 |
| 4777644 | Method and apparatus for testing telephone coin relays | Larry Mortimer | 1988-10-11 |
| 4707257 | Air/water distributor underdrain | Thomas A. Davis, Kurt Bozenmayer | 1987-11-17 |
| 4269707 | Apparatus and method | Christopher J. Halbfoster, Robert W. Loudon | 1981-05-26 |
| 4210537 | Liquid treatment apparatus | Leo F. Ryan | 1980-07-01 |