Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D932047 | Coverslipper | — | 2021-09-28 |
| D621431 | Field glass | — | 2010-08-10 |
| D605211 | Part of a field glass | — | 2009-12-01 |
| D603437 | Part of a field glass | — | 2009-11-03 |
| D533620 | Knife | — | 2006-12-12 |
| D429265 | Microscope stand | Scott Parks | 2000-08-08 |
| D425921 | Microscope stand | Scott Parks | 2000-05-30 |
| D402034 | Keratometer | Paul J. Klock | 1998-12-01 |
| D367869 | Stereomicroscope | Ernest Hofmann-Igl | 1996-03-12 |
| D358895 | Microtome | — | 1995-05-30 |
| D345746 | Microscope | — | 1994-04-05 |
| D345747 | Combined microscope stand and body | — | 1994-04-05 |
| D345748 | Microscope stand | — | 1994-04-05 |
| D330899 | Paraffin casting machine | — | 1992-11-10 |
| 5161446 | Microtome | Gernot Hansel | 1992-11-10 |
| D328793 | Refrigeration cabinet for a microtome | — | 1992-08-18 |
| D328129 | Knife holder for a microtome | — | 1992-07-21 |
| D326921 | Rotation microtome | — | 1992-06-09 |
| D326860 | Microtome tool holder | — | 1992-06-09 |
| D325091 | Refrigeration cabinet for a microtome | — | 1992-03-31 |