Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5473301 | Energy storage inductor apparatus | David Hall, Timothy K. Deis, Phillip A. Sanger | 1995-12-05 |
| 5450373 | Apparatus for transmitting two frequency signals with an acoustic projector | David Marschik | 1995-09-12 |
| 5375101 | Electromagnetic sonar transmitter apparatus and method utilizing offset frequency drive | William R. Wolfe | 1994-12-20 |
| 5305288 | Variable reluctance acoustic projector | David Marschik | 1994-04-19 |
| 5216888 | Load transfer device for cryogenic application | David Marschik | 1993-06-08 |
| 5126979 | Variable reluctance actuated flextension transducer | Linwood M. Rowe, Jr., Thomas C. Montgomery, David Marschik | 1992-06-30 |