Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7630081 | Interferometer maintaining optical relationship between elements | Gregg Ressler | 2009-12-08 |
| 7582869 | System and method for optical analysis | Jeffrey H. Saller, Gregg Ressler | 2009-09-01 |
| 6972409 | Mid-infrared spectrometer attachment to light microscopes | Robert V. Burch, John Reffner, Donald K. Wilks | 2005-12-06 |
| 6907390 | Miniaturized opto-electronic magnifying system | John Reffner | 2005-06-14 |
| 6693280 | Mid-infrared spectrometer attachment to light microscopes | Robert V. Burch, John Reffner, Donald K. Wilks | 2004-02-17 |
| 5703366 | Optical sensing with crystal assembly sensing tip | Milan Milosevic | 1997-12-30 |
| 5616922 | Optically coupled infrared transmitting composite internal reflecting elements | John Reffner, Milan Milosevic | 1997-04-01 |
| 5552604 | Optical sensing with crystal assembly sensing tip | Milan Milosevic | 1996-09-03 |
| 5200609 | Radiant energy spectroscopy system with diamond internal reflection element | John Reffner | 1993-04-06 |
| 5172182 | Internal reflectance element with very small sample contacting surface | John Reffner | 1992-12-15 |
| 5093580 | ATR objective and method for sample analyzation using an ATR crystal | — | 1992-03-03 |
| 5051602 | Optical system and method for sample analyzation | Robert G. Messerschmidt, John Reffner | 1991-09-24 |
| 5019715 | Optical system and method for sample analyzation | Robert G. Messerschmidt, John Reffner | 1991-05-28 |
| 5015092 | Sampling probe for optical analyzation of a sample | — | 1991-05-14 |
| 4878747 | Aperture image beam splitter | Roger G. Messerschmidt | 1989-11-07 |
| 4877960 | Microscope having dual remote image masking | Robert G. Messerschmidt | 1989-10-31 |
| 4859064 | Diffuse reflectance spectroscopy system and method | Robert G. Messerschmidt | 1989-08-22 |
| 4810077 | Grazing angle microscope | — | 1989-03-07 |
| 4661706 | Blocker device for eliminating specular reflectance from a diffuse reflection spectrum | Robert G. Messerschmidt | 1987-04-28 |
| 4653880 | Reflective beam splitting objective | Robert G. Messerschmidt | 1987-03-31 |
| 4595833 | Multiple internal reflection cell optical system for use in infrared spectrophotometry of liquid and fluidized samples | — | 1986-06-17 |
| 4523613 | "Multi-layered corrugated conduit with ""black-eye"" like apertures" | James L. Fouss, John J. Parker, James L. Child, Jr. | 1985-06-18 |
| 4360042 | Arched conduit with improved corrugations | James L. Fouss, John J. Parker, James L. Child, Jr. | 1982-11-23 |
| 4357190 | Method and apparatus for manufacturing non-round plastic tubing | James L. Fouss, John J. Parker | 1982-11-02 |
| 4247136 | Internal coupling structure and joint for pipe or tubing | James L. Fouss, John J. Parker, Robert Biango | 1981-01-27 |