Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7540776 | Heat-shrink tube | Bernd Graeve, Franz Josef Toerringer, David Pearce, Timothy Stephen Smith, John David Stoker | 2009-06-02 |
| 6883418 | Carbon piston for an internal combustion engine | — | 2005-04-26 |
| 6112433 | Ceramic gripping element for sports shoes | — | 2000-09-05 |
| 5007331 | Dry run-high pressure stage of a multistage piston compressor | Hubert Pfluger | 1991-04-16 |
| 4712318 | Gripping element for a sports shoe | Hubert Pfluger, Horst Widmann | 1987-12-15 |
| 4698924 | Gripping studs for sports shoes | Hubert Pfluger, Horst Widmann | 1987-10-13 |