Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5415307 | Stopper for a receptacle and method of making the receptacle | — | 1995-05-16 |
| 5316135 | Container | Christoph Heiland | 1994-05-31 |
| 5299702 | Stopper for a receptacle | Christoph Heiland | 1994-04-05 |