Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509712 | Easel formed by two crossed tabs at back of display object | — | 1985-04-09 |
| 4224190 | Catalyst for dehydrogenating organic compounds, in particular amines, thiols, and alcohols, and a process for its preparation | John Villadsen, Hans Livbjerg | 1980-09-23 |