Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525677 | Surveying apparatus for surveying an object | Michael Vogel, Thomas Metz, Andreas Glimm, Torsten Kludas, Ute Natura | 2022-12-13 |
| 9173381 | Nectar feeder with float and valve | Barry D. Colvin, David Guay | 2015-11-03 |
| 9004007 | Nectar feeder having a float with rounded bottom | Jesse Alvin Faunce, Barry D. Colvin | 2015-04-14 |
| 8863692 | Nectar feeder having a float with flush stopper | Barry D. Colvin | 2014-10-21 |
| 8863691 | Nectar feeder with float and valve | Barry D. Colvin, David Guay | 2014-10-21 |
| 8651054 | Bird feeder with removable ports | Barry D. Colvin | 2014-02-18 |
| 7946249 | Nectar feeder with float and valve | Barry D. Colvin, David Guay | 2011-05-24 |
| 7382444 | Multiple optical channels | Leif Andersson, Mikael Herzman, Christian Grässer | 2008-06-03 |
| 6596446 | Organic pigments in color filters liquid of crystal display | Mickey Wolf, Kent Faubion, Udo Herrmann, Josef Witt, Peter-Roger Nyssen | 2003-07-22 |
| 6303213 | Substrates secure against unauthorized copying and their production | Horst Berneth, Uwe Claussen, Harro Traubel, Gunter Franke | 2001-10-16 |
| 6245138 | Pigment preparations useful for ink-jet printing | Roger Nyssen, Dirk Pfutzenreuter, Fritz Puchner, Karin Hassenruck | 2001-06-12 |
| 6077339 | Pigment preparations useful for ink-jet printing | Roger Nyssen, Dirk Pfutzenreuter, Fritz Puchner, Karin Hassenruck | 2000-06-20 |
| 5421872 | Dyestuffs for printing inks | Artur Haus, Martin Michna | 1995-06-06 |
| 5104903 | Bead-form expandable styrene polymers having a high expansion capacity | Klaus Hahn, Uwe Guhr, Hans Hintz | 1992-04-14 |