Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6988850 | Pavement ramp edge making | Robert A. Sovik, Richard Hosterman | 2006-01-24 | |
| 6372372 | Clamping system for a fuel cell stack | James M. D'Aleo, Charles M. Carlstrom, Jr., Russel Hugh Marvin, Michael M. Walsh, Norman Peschke | 2002-04-16 | $6,288,000 |