Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5184025 | Computer-controlled uninterruptible power supply | James R. Kellogg, Karl Boekelheide, Kenneth D. Sexton, George A. Ellison, Robert A. Hocker | 1993-02-02 |
| 5019717 | Computer-controlled uninterruptable power supply | James R. Kellogg, Karl Boekelheide, Kenneth D. Sexton, George A. Ellson, Robert A. Hocker | 1991-05-28 |