Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5216309 | Apparatus for electrically insulating a commutator of a dynamoelectric machine | Roy L. Balke | 1993-06-01 |
| 5144739 | Method of establishing a leakage current path for a commutator | Roy L. Balke | 1992-09-08 |