Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7499175 | Enhanced Michelson interferometric optical filter with broadened wavelength blockage | Robert D. Sigler | 2009-03-03 |
| 7119955 | Multi-aperture high-fill factor telescope | Robert D. Sigler | 2006-10-10 |
| 6819483 | Optical device and method for correcting field-dependent phase errors in distributed aperture telescope systems | Robert D. Sigler | 2004-11-16 |