Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41036 | Linear actuator control structure | Bruce Bushey, Richard Milun, Robert Erko, John Haeg | 2009-12-15 |
| 6614195 | Linear actuator control structure | Bruce Bushey, Robert Erko, John Haeg, Richard Milun | 2003-09-02 |
| 5943724 | Electro-hydraulic brush down force control | Robert Erko, Daniel L. Mundt, Paul Henderson | 1999-08-31 |