Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7518792 | Method of determining orientation of a telescope | — | 2009-04-14 |
| 7265901 | Telescope mount having locator system and drive mechanism for locating objects and positioning telescope | — | 2007-09-04 |
| 7046438 | Telescope mount having locator system and drive mechanism for locating objects and positioning telescope | — | 2006-05-16 |
| 6671091 | Portable telescope mount with integral locator using magnetic encoders for facilitating location of objects and positioning of a telescope | — | 2003-12-30 |
| 6603602 | Portable telescope mount with integral locator using magnetic encoders for facilitating location of objects and positioning of a telescope | — | 2003-08-05 |
| D352049 | Optical focuser | James D. Burr | 1994-11-01 |
| 5303090 | Apparatus for adjusting the position of a drawtube in an optical instrument | James D. Burr | 1994-04-12 |