Callahan; Bernard E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Callahan; Bernard E..The latest application filed is for "vehicular data handling and control system".
- Callahan; Bernard E. - Hoffman Estates IL
- Callahan; Bernard E. - Hoffmann Estates IL
| Patent | Date |
|---|---|
| Vehicular data handling and control system Grant 4,236,215 - Callahan , et al. November 25, 1 | 1980-11-25 |
| Slip-slide detector system for railway car wheels Grant 4,071,282 - Callahan , et al. January 31, 1 | 1978-01-31 |
| System for telecommunicating vehicle operation data between a ground station and a remote data processing station Grant 3,938,092 - Callahan February 10, 1 | 1976-02-10 |
| Analog Speed Detector Grant 3,867,647 - Callahan , et al. February 18, 1 | 1975-02-18 |
| Vehicle data recorder employing data compression Grant 3,864,731 - Callahan February 4, 1 | 1975-02-04 |
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