Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10287665 | Dry lubricant for zinc coated steel | Paolo Giordani, Mauro Rigamonti, Roberto Galli, Luigi Dante Madonini, Hans Clodt | 2019-05-14 |
| D643125 | Prostate and pelvic pain relief, comfort and stimulation cushion | — | 2011-08-09 |
| 5976272 | No-rinse phosphating process | Bernd Mayer, Melanie Joppen, Melitta Krause, Joerg Riesop | 1999-11-02 |
| 5503733 | Process for phosphating galvanized steel surfaces | Horst-Dieter Speckmann, Gerard Veldman, Karl-Dieter Brands | 1996-04-02 |
| 5401381 | Process for phosphating metallic surfaces | Horst-Dieter Speckmann, Karl-Dieter Brands, Gerard Veldman, Raschad Mady | 1995-03-28 |
| 5391240 | Process for the passivating post-treatment of phosphatized metal surfaces | Karl-Dieter Brands, Karl-Heinz Gottwald | 1995-02-21 |