Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420522 | Multilayered supported elastomeric foams and processes for making same | Steven H. Speck | 2025-09-23 |
| 12404930 | Selectively densified membrane sealant and process for making same | — | 2025-09-02 |
| 11512179 | Supported elastomeric foams and processes for making same | Amadeus Wiesemann | 2022-11-29 |
| 11326037 | Compressible liquid seals with discontinuous adhesives | Amadeus Wiesemann | 2022-05-10 |
| 7479623 | Method of controlling the charging of a photomuliplier tube including sampling at least one of the dynodes for determining its voltage | — | 2009-01-20 |
| 6696868 | Frequency to frequency de-randomizer circuit | — | 2004-02-24 |
| 5786416 | High specific gravity material | Peter James Gardner, Ian Peter Oliver, Terry Peake | 1998-07-28 |
| 5345428 | Flextensional transducers | Douglas B. Arnold, George Bromfield | 1994-09-06 |
| 5029148 | Sonar Transducers | Douglas B. Arnold, George Bromfield | 1991-07-02 |
| 5016228 | Sonar transducers | Douglas B. Arnold, George Bromfield | 1991-05-14 |
| 4596956 | Current amplifiers | — | 1986-06-24 |