Todor P. Petrov

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Blowing curtain face ventilation system for extended cut mining usi...
- Patent number 10,900,357
- Issue date Jan 26, 2021
- University of Kentucky Research Foundation
- Andrzej M. Wala
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
BLOWING CURTAIN FACE VENTILATION SYSTEM FOR EXTENDED CUT MINING USI...
- Publication number 20140329453
- Publication date Nov 6, 2014
- University of Kentucky Research Foundation
- Andrzej M. Wala
- E21 - EARTH DRILLING MINING