Bernard E. Callahan

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Hoffman Estates, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Vehicular data handling and control system
- Patent number 4,236,215
- Issue date Nov 25, 1980
- Vapor Corporation
- Bernard E. Callahan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Slip-slide detector system for railway car wheels
- Patent number 4,071,282
- Issue date Jan 31, 1978
- Vapor Corporation
- Bernard E. Callahan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System for telecommunicating vehicle operation data between a groun...
- Patent number 3,938,092
- Issue date Feb 10, 1976
- Vapor Corporation
- Bernard E. Callahan
- B60 - VEHICLES IN GENERAL