Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6088904 | Modular generator frame construction | Richard J. Keck, Frank Zwack, Sr., Theodore S. Kralovic | 2000-07-18 |
| 5744885 | Modular generator frame construction | Richard J. Keck, Frank Zwack, Sr., Theodore S. Kralovic | 1998-04-28 |
| 4739825 | Apparatus for cooling the core of a liquid cooled transformer | Morris V. Van Dusen, Ronald W. Tribley | 1988-04-26 |