Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D908758 | Microscope | Chang Lu Huang | 2021-01-26 |
| D816749 | Binoculars | — | 2018-05-01 |
| D681087 | Microscope | — | 2013-04-30 |
| D633539 | Microscope | — | 2011-03-01 |
| D579960 | Telescope | — | 2008-11-04 |
| D562553 | Optical apparatus container | — | 2008-02-26 |
| D548761 | Telescope | — | 2007-08-14 |
| D537631 | Microscope container | — | 2007-03-06 |
| 7118079 | Telescope with foldable and extendable base | — | 2006-10-10 |
| D522550 | Telescope with adjustable stand | — | 2006-06-06 |
| 6909541 | Device capable of exchanging image projection direction | — | 2005-06-21 |
| D503945 | Microscope | — | 2005-04-12 |
| D502487 | Joint capable of exchanging image projection direction | — | 2005-03-01 |
| D497625 | Device combined functionable telescope with microscope | — | 2004-10-26 |
| 6700689 | Adjusting device for adjusting a projecting direction of a view | — | 2004-03-02 |
| D460771 | Periscopes | — | 2002-07-23 |
| D458286 | Binoculars | — | 2002-06-04 |
| D443288 | Binoculars | — | 2001-06-05 |
| 5969852 | Portable projection microscope | — | 1999-10-19 |
| D400553 | Portable slide projector | — | 1998-11-03 |
| D396480 | Binocular | — | 1998-07-28 |
| D391278 | Periscope | — | 1998-02-24 |
| D382285 | Binoculars with lamp | — | 1997-08-12 |
| D380225 | Combined binoculars and compass | — | 1997-06-24 |
| D380224 | Combined binoculars, telescope and compass | — | 1997-06-24 |