Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11699442 | Methods and systems for speech detection | — | 2023-07-11 |
| 11694693 | Methods and systems for processing audio signals containing speech data | — | 2023-07-04 |
| 11282526 | Methods and systems for processing audio signals containing speech data | — | 2022-03-22 |
| 11158320 | Methods and systems for speech detection | — | 2021-10-26 |
| 5167866 | Control of corrosion in aqueous systems using certain phosphonomethyl amine oxides | Chih M. Hwa, John A. Kelly, Janet Neton, Roger R. Gaudette | 1992-12-01 |
| 5096595 | Control of scale in aqueous systems using certain phosphonomethyl amine oxides | Chih M. Hwa, John A. Kelly, Janet Neton, Roger R. Gaudette | 1992-03-17 |
| 5069798 | Control of scale in aqueous systems using certain phosphonomethyl amines | Chih M. Hwa, John A. Kelly, Janet Neton, Roger R. Gaudette | 1991-12-03 |
| 5051532 | N,N-bis-phosphonomethyl taurine N-oxide and water-soluble salts thereof | Chih M. Hwa, John A. Kelly, Janet Neton, Roger R. Gaudette | 1991-09-24 |
| 5019343 | Control of corrosion in aqueous systems using certain phosphonomethyl amines | Chih M. Hwa, John A. Kelly, Janet Neton, Roger R. Gaudette | 1991-05-28 |
| 4387244 | Chelating agents for non-aqueous systems | E. Richard Young | 1983-06-07 |
| 4338460 | Process for preparing chelating agents | Roger R. Gaudette, John L. Ohlson | 1982-07-06 |
| 4225502 | N,N'Di(hydroxybenzyl) 1,3-propanediamine N,N'-diacetonitriles | Roger R. Gaudette, John L. Ohlson | 1980-09-30 |