Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933012 | Aqueous coating for copy paper, and a process for the production thereof | Richard Goetze | 1990-06-12 |
| 4536534 | Alkaline resistant primer and the use thereof | Robert Singer, Richard Goetze, Karl-Heinz Maier | 1985-08-20 |