Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747815 | Micro-miniature ionizer for gas sensor applications and method of making micro-miniature ionizer | Carl B. Freidhoff, Timothy T. Braggins, Thomas V. Congedo | 1998-05-05 |
| 5659171 | Micro-miniature diaphragm pump for the low pressure pumping of gases | Carl B. Freidhoff | 1997-08-19 |
| 5536939 | Miniaturized mass filter | Carl B. Freidhoff | 1996-07-16 |
| 5492867 | Method for manufacturing a miniaturized solid state mass spectrograph | Joseph C. Kotvas, Timothy T. Braggins, Carl B. Freidhoff | 1996-02-20 |
| 5466932 | Micro-miniature piezoelectric diaphragm pump for the low pressure pumping of gases | Carl B. Freidhoff, Dennis L. Polla, Peter J. Schiller | 1995-11-14 |
| 5386115 | Solid state micro-machined mass spectrograph universal gas detection sensor | Carl B. Freidhoff, Saptharishi Sriram | 1995-01-31 |