Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651549 | Dual gallery piston | Xilou Zhu, Walter Joseph Griffiths, Miguel Azevedo | 2003-11-25 |
| 6477941 | Dual gallery piston | Xilou Zhu, Walter Joseph Griffiths, Miguel Azevedo | 2002-11-12 |
| 6401680 | Bolted articulated piston | Xiluo Zhu, Duraid Mahrus | 2002-06-11 |
| 6182630 | Bolted articulated piston | Xiluo Zhu, Duraid Mahrus | 2001-02-06 |
| 6032619 | Piston having a tube to deliver oil for cooling a crown | Xiluo Zhu | 2000-03-07 |
| 5839352 | Articulated piston | Carmo Ribeiro, Marcos Clemente, Norbert Abraham, Sr., Kristopher R. Bare | 1998-11-24 |
| RE34021 | Percutaneous fixation of hollow organs | Peter R. Mueller, Marc Joshua Tolkoff, Frank B. Crawford | 1992-08-04 |
| 4705040 | Percutaneous fixation of hollow organs | Peter R. Mueller, Marc Joshua Tolkoff, Frank B. Crawford | 1987-11-10 |