Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739208 | Brush assembly including brush wear detector | — | 1988-04-19 |
| 4513495 | Contact and terminal assembly for a brush wear indicator | — | 1985-04-30 |
| 4420705 | Contact and terminal assembly for a brush wear indicator | — | 1983-12-13 |
| 4371799 | Permanent magnet field pole for a direct current dynamoelectric machine | Frank T. De Wolf | 1983-02-01 |
| 4329683 | Brush wear indicator for a dynamoelectric machine | — | 1982-05-11 |