Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6135275 | Two component mixing containers | Tilwin Lepsius, Erwin Boes | 2000-10-24 |
| 5005999 | Ink cassette with control means for alternately driving one of two spool bearing therein | Hans Raar | 1991-04-09 |