Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633104 | Method and apparatus for estimating DC motor brush wear | John Erik Hershey, Brock Estel Osborn, Howard Daniel Koontz, Brian Joseph McManus, Edward J. Lewandowski | 2003-10-14 |