Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237175 | Reagent gas control for an ion trap mass spectrometer used in the chemical ionization mode | — | 1993-08-17 |
| 5198665 | Quadrupole trap improved technique for ion isolation | — | 1993-03-30 |
| 5093346 | Substituted 1,2,4-triazole angiotensin II antagonists | David J. Carini, John J. V. Duncia | 1992-03-03 |
| 5086254 | Microwave excited helium plasma photoionization detector | — | 1992-02-04 |
| 5083004 | Spectroscopic plasma torch for microwave induced plasmas | Barbara A. Bolton | 1992-01-21 |
| 5081127 | Substituted 1,2,3-triazole angiotensin II antagonists | David J. Carini, John J. V. Duncia | 1992-01-14 |
| 5022755 | Photodiode configurations for simultaneous background correction and specific wavelength detection | Barbara A. Bolton | 1991-06-11 |
| 5015651 | Treatment of hypertension with 1,2,4-angiotensin II antagonists | David J. Carini, John J. V. Duncia | 1991-05-14 |
| 5009099 | Background correction method for use in gas chromatography | Barbara A. Bolton | 1991-04-23 |
| 4999162 | High temperature flame jet for gas chromatography | John R. Berg | 1991-03-12 |
| 4993938 | Continuously-variable rate pulse combustion apparatus | William H. Thrasher | 1991-02-19 |
| 4684807 | Flow contoured electron capture detector cell | — | 1987-08-04 |
| 4682027 | Method and apparatus for sample confirmation in gas chromatography | — | 1987-07-21 |
| 4670220 | Sample valve for solute modulated synchronous detection | — | 1987-06-02 |
| 4651008 | Sample inlet system for an electron capture detector | — | 1987-03-17 |
| 4617032 | Sample modulator cell for gas chromatography | — | 1986-10-14 |
| 4597421 | Method and device for on-column injection of a liquid sample into small diameter columns | — | 1986-07-01 |
| 4567368 | Bipolar pulsed electron capture detectors | Richard Simon | 1986-01-28 |
| 4230946 | Cryogenic collimator apparatus and method | Kent J. Voorhees | 1980-10-28 |