Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628011 | DC to DC converter and power management system | Gerald W. Droppo, Lawrence A. Schienbein, Donald J. Hammerstrom | 2003-09-30 |
| 6608404 | Step wave power converter | Lawrence A. Schienbein, Gerald W. Droppo, Matthew K. Donnelly | 2003-08-19 |