Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993315 | Coffee percolator | Siegfried Huber, Hans-Werner Motsch, Rolf Ritter, Erwin Scholl, Konrad Walter +1 more | 1991-02-19 |
| 4583449 | Coffee percolator for selectively making normal coffee or espresso | Artur Dangel, Josef Frech, Willi Niess, Rolf Prillipp, deceased, Gerhard Wittlinger +1 more | 1986-04-22 |
| 4446978 | Insulated container | Manfred . R. Arndt, Walter Breier, Heinz Schmidt, Hermann Schwarz, Helmut Warneke | 1984-05-08 |