Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893721 | Tamper-proof capsules | Steven Andrew Roberts, Fritz Wittwer | 1990-01-16 |
| 4738724 | Method for forming pharmaceutical capsules from starch compositions | Fritz Wittwer, Ivan Tomka, Thomas Raible, Louis S. Gillow | 1988-04-19 |
| 4738817 | Method for forming pharmaceutical capsules from hydrophilic polymers | Fritz Wittwer, Ivan Tomka, Thomas Raible, Louis S. Gillow | 1988-04-19 |
| 4250997 | Locking capsule filled with viscous material | Louis P. Van Herle, Luc Michel, Winand H. Martens, Heinrich Pins | 1981-02-17 |
| 4247006 | Capsule body, in particular for use with a joined capsule for a pharmaceutical preparation, and method of and apparatus for producing it | Louis P. Van Herle, Winand H. Martens | 1981-01-27 |
| 4196564 | Method of manufacturing a joined capsule filled with viscous material | Winand H. Martens | 1980-04-08 |
| 4196565 | Method for producing a joined capsule filled with viscous material | Louis P. Van Herle, Luc Michel, Heinrich Pins, Winand H. Martens | 1980-04-08 |