Callahan; Thomas F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Callahan; Thomas F..The latest application filed is for "system and method for receiving, storing, manipulating and distributing rf digital information files".
- Callahan; Thomas F. - Spotsylvania VA
- Callahan; Thomas F. - Grantham NH
- Callahan; Thomas F. - Marlboro MA
- Callahan; Thomas F. - Maynard MA
| Patent | Date |
|---|---|
| System And Method For Receiving, Storing, Manipulating And Distributing Rf Digital Information Files App 20140129556 - Callahan; Thomas F. | 2014-05-08 |
| Noise barrier apparatus having acoustic wave damping cushions Grant 7,162,039 - Callahan January 9, 2 | 2007-01-09 |
| Stethoscope Grant 6,438,238 - Callahan August 20, 2 | 2002-08-20 |
| Circumaural ear cup audio seal for use in connection with a headset, ear defender, helmet and the like Grant 6,163,615 - Callahan December 19, 2 | 2000-12-19 |
| In-ear-canal audio receiver and stethoscope having the same Grant 5,917,918 - Callahan June 29, 1 | 1999-06-29 |
| Patient-to-transducer interface device Grant 5,578,799 - Callahan , et al. November 26, 1 | 1996-11-26 |
| Modular auscultation sensor and telemetry system Grant 5,467,775 - Callahan , et al. November 21, 1 | 1995-11-21 |
| High-performance electric power cable and connector system Grant 5,119,457 - Callahan June 2, 1 | 1992-06-02 |
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