Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7297893 | Plasma arc collimator design and construction | Gary J. Hanus, David P. Bergsrud | 2007-11-20 |
| 5419388 | Regenerative heat exchanger system and an operating method for the same | Lynn C. Marksberry, Toshikazu Yamamura, Shuuhei Natani, Toshio Kurosaka | 1995-05-30 |