Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7713175 | Infant activity systems | — | 2010-05-11 |
| D522933 | Infant ground traversal systems | — | 2006-06-13 |
| 6170506 | Method and circuit for actively cleaning electrohydraulic valves in a hydraulic control valve circuit | John Butwin, Maria Eugenia Protopapas, Robert Cary Haase, Stephen Michael Cicala, Wolfgang Wickler | 2001-01-09 |