Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778747 | Radially varying and azimuthally asymmetric optical waveguide fiber | Venkata Adiseshaiah Bhagavatula | 2004-08-17 |
| 6550281 | Method for providing controlled spin in optical fiber | — | 2003-04-22 |
| 6550283 | Method for introducing controlled spin in optical fibers | Paul E. Blaszyk, William R. Christoff, Daniel E. Gallagher, William J. Kiefer | 2003-04-22 |
| 6526905 | Self-contained obstruction marker | — | 2003-03-04 |
| 6400879 | Highly non-linear single mode waveguide | Daniel Aloysius Nolan, Steven Howard Tarcza | 2002-06-04 |
| 6324872 | Method and apparatus for introducing controlled spin in optical fibers | Paul E. Blaszyk, William R. Christoff, Daniel E. Gallagher, William J. Kiefer | 2001-12-04 |
| 6195492 | Elliptical core fiber with axially decreasing aspect ratio and method | — | 2001-02-27 |
| 5152818 | Method of making polarization retaining fiber | George E. Berkey, Venkata Adiseshaiah Bhagavatula, Steven Howard Tarcza | 1992-10-06 |
| 5149349 | Method of making polarization retaining fiber with an elliptical core, with collapsed apertures | George E. Berkey, Steven Howard Tarcza | 1992-09-22 |
| 5067789 | Fiber optic coupling filter and amplifier | Douglas W. Hall | 1991-11-26 |
| 4950047 | Method of coating optical fibers | George E. Berkey | 1990-08-21 |
| 4932740 | Method of making polarization retaining optical fiber coupler | George E. Berkey | 1990-06-12 |
| 4184741 | Filament-to-device coupler | Robert A. Wey | 1980-01-22 |