heisey david
Patent Applications and Registrations
Patent applications and USPTO patent grants for heisey david.The latest application filed is for "method and apparatus for providing security for a computer system".
- - unknown
- Heisey; David - Houston TX
| Patent | Date |
|---|---|
| Catalyzing pressure wave extraction method and apparatus Grant 10399006 - | 2019-09-03 |
| Method using pressure gradient profiling in an extraction column Grant 10335712 - | 2019-07-02 |
| Method and apparatus for providing security for a computer system Grant 7,228,432 - Angelo , et al. June 5, 2 | 2007-06-05 |
| Method and apparatus for providing security for a computer system App 20050060541 - Angelo, Michael F. ; et al. | 2005-03-17 |
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