Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843242 | Infrared microscope employing a projected field stop | — | 1989-06-27 |
| 4835389 | Internal reflection spectroscopy for deep container immersion | — | 1989-05-30 |
| RE32912 | Parabolic focusing apparatus for optical spectroscopy | — | 1989-04-25 |
| 4812041 | Spectrometer system having pivotally mounted internal reflectance element | — | 1989-03-14 |
| 4810093 | Versatile and efficient radiation transmission apparatus and method for spectrometers | — | 1989-03-07 |
| 4784488 | Modular radiation transmission apparatus for spectrometers | Norman S. Hughes | 1988-11-15 |
| 4773757 | High resolution spectrometer interferometer having an integrated alignment unit | — | 1988-09-27 |
| 4764676 | Apparatus for spectral analysis of chromatographic fractions | — | 1988-08-16 |
| 4758088 | Microscope accessory which facilitates radiation transmission measurements in the reflectance mode | — | 1988-07-19 |
| 4724329 | High efficiency radiation source for infrared spectrometry | John R. Gentile | 1988-02-09 |
| 4657390 | Universal spectrometer system having modular sampling chamber | — | 1987-04-14 |
| 4640617 | Spectrometers having purge retention during sample loading | Norman S. Hughes | 1987-02-03 |
| 4591266 | Parabolic focusing apparatus for optical spectroscopy | — | 1986-05-27 |
| 4556316 | Interferometer spectrometer having simplified scanning motion control | — | 1985-12-03 |
| 4544272 | Alignment apparatus and method for interferometer spectrometers | — | 1985-10-01 |
| 4538910 | Dual beam fourier spectrometer | — | 1985-09-03 |
| 4537508 | Interferometer spectrometer having improved scanning reference point | — | 1985-08-27 |
| 4473295 | Parabolic focusing apparatus for optical spectroscopy | — | 1984-09-25 |
| 4265540 | Refractively scanned interferometer | — | 1981-05-05 |
| 4207467 | Film measuring apparatus and method | — | 1980-06-10 |
| 4190366 | Refractively scanned interferometer | — | 1980-02-26 |
| 4183669 | Dual beam Fourier spectrometer | — | 1980-01-15 |