Steigerwalt; Edward J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Steigerwalt; Edward J..The latest application filed is for "method and apparatus for perforating or cutting with a solid fueled gas mixture".
- Steigerwalt; Edward J. - Lehighton PA
| Patent | Date |
|---|---|
| Method and apparatus for perforating or cutting with a solid fueled gas mixture Grant 4,446,920 - Woytek , et al. May 8, 1 | 1984-05-08 |
| Removal of dinitrogen difluoride from nitrogen trifluoride Grant 4,193,976 - Lileck , et al. March 18, 1 | 1980-03-18 |
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