Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486663 | Motor control center removable control unit interlock | Ronald J. Fritsch | 1996-01-23 |
| 5467622 | Handle lock for reciprocally movable operator handle | James Becker, Ronald J. Fritsch, Robert F. Klobuchar | 1995-11-21 |