Dale A. Chovan

Follow

Person

Trafford, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Air compressor aftercooler with automatic heated drain valve and st...
- Patent number 6,062,825
- Issue date May 16, 2000
- Dale A. Chovan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tamper-resistant independent brake valve device for locomotive air...
- Patent number 5,439,276
- Issue date Aug 8, 1995
- Westinghouse Air Brake Company
- Frank J. Jerina
- B60 - VEHICLES IN GENERAL