Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12343957 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Joseph Standeford, Lance Black | 2025-07-01 |
| 11230085 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Joseph Standeford, Lance Black | 2022-01-25 |
| 11065841 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Joseph Standeford, Lance Black | 2021-07-20 |
| 10011092 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Joseph Standeford, Lance Black | 2018-07-03 |
| 9441140 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Joseph Standeford, Lance Black | 2016-09-13 |
| 8639069 | Wavelength dependent optical switch | Roger Helkey, John E. Bowers, Xuezhe Zheng, David E. Welsh, Olivier Jerphagnon | 2014-01-28 |
| 6873755 | Wavelength router with staggered input/output fibers | Samuel P. Weaver | 2005-03-29 |
| 6788842 | Method and apparatus for internal monitoring and control of reflectors in an optical switch | Robert Kehl Sink, John E. Bowers, Roger Helkey, Noel C. MacDonald | 2004-09-07 |
| 6600591 | Micromirror array having adjustable mirror angles | Bevan Staple, Richard Roth | 2003-07-29 |
| 6595364 | Flag unfurler arrangement | Anthony Palermo, Jr. | 2003-07-22 |
| 6542657 | Binary switch for an optical wavelength router | — | 2003-04-01 |
| 6535664 | 1×2 optical wavelength router | — | 2003-03-18 |
| 6076395 | Constant stress diffusion cell with controllable moisture content | Patrick B. Black, Timothy Andrew Hansen | 2000-06-20 |
| 5992653 | Display and dispensing pack | Stanley J. Jurgenburg, David C. Rolston, Mark Gilpatric | 1999-11-30 |
| D402823 | Display and serving case | Stanley J. Jurgenburg, David C. Rolston, Mark Gilpatric | 1998-12-22 |
| D402131 | Display and serving case | Stanley J. Jurgenburg, David C. Rolston, Mark Gilpatric | 1998-12-08 |
| 5148496 | Optical correlator with symmetric reflective optics | — | 1992-09-15 |
| 4661809 | Magneto-optic chip with gray-scale capability | William E. Ross, Theodore R. Maki | 1987-04-28 |
| 4575722 | Magneto-optic display | — | 1986-03-11 |
| 4574312 | Magneto-optic image scanning detector | — | 1986-03-04 |
| 4573198 | Optical image processing/pattern recognition system | — | 1986-02-25 |
| 4495492 | Magneto-optic chip with gray-scale capability | William E. Ross, Theodore R. Maki | 1985-01-22 |
| 4476465 | Magneto-optic display generator | — | 1984-10-09 |
| 4472708 | Front-lighted magneto-optic display | — | 1984-09-18 |
| 4471351 | Switchable tandem memory magneto-optic display | — | 1984-09-11 |