Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666208 | Set for inserting a shunt valve into a shunt between the oesophagus and the trachea | Erhard Schumacher | 2003-12-23 |
| 6349629 | Brake actuator | Ronald S. Plantan, Christopher Prager, Michael M. Holm, Gary Sprague | 2002-02-26 |
| 6238132 | Push rod and plate assembly for brake actuators and method of forming same | Ronald S. Plantan | 2001-05-29 |
| 5392691 | Stone shield for air brake actuator with welded yoke | — | 1995-02-28 |