Marschik; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Marschik; David.The latest application filed is for "apparatus for transmitting two frequency signals with an acoustic projector".
- Marschik; David - Export PA
- Marschik; David - Murrysville PA
- Marschik; David - Wilkins Township Allegheny County
- Marschik; David - Wilkens Township Allegheny County
| Patent | Date |
|---|---|
| Apparatus for transmitting two frequency signals with an acoustic projector Grant 5,450,373 - Kupiszewski , et al. September 12, 1 | 1995-09-12 |
| Superconducting magnetic energy storage system with low friction coil support Grant 5,173,677 - Dederer , et al. December 22, 1 | 1992-12-22 |
| Variable reluctance actuated flextension transducer Grant 5,126,979 - Rowe, Jr. , et al. June 30, 1 | 1992-06-30 |
| Sensor for detecting a quench in a superconductor using an optical coupling Grant 5,067,044 - Mallick, Jr. , et al. November 19, 1 | 1991-11-19 |
| Face connected instrument transformer Grant 4,713,642 - Wolfe , et al. December 15, 1 | 1987-12-15 |
| Circuit interrupter with shock resistant mechanism Grant 4,639,700 - Shestak , et al. January 27, 1 | 1987-01-27 |
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