Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149182 | Optical filter for an optical measurement instrument | — | 1992-09-22 |
| 4859286 | Isolation of 1,3-butadiene | Gerd Kaibel, Werner Hefner, Werner Drewitz | 1989-08-22 |
| 4785975 | Manually actuated pump | Jurgen Koch | 1988-11-22 |
| 4744492 | Dispenser for tablets, capsules and the like | Ludger Hackmann | 1988-05-17 |
| 4354619 | Container for the dispensing of tablets one by one | Gerhard Wippermann | 1982-10-19 |
| 4312164 | Insulating bonded masonry | Hans Walt | 1982-01-26 |