Frank R. Vignal

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Kingwood, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Up drill apparatus and method
- Patent number 10,760,340
- Issue date Sep 1, 2020
- Ashmin Holding LLC
- Gunther H H von Gynz-Rekowski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Up drill apparatus and method
- Patent number 9,976,350
- Issue date May 22, 2018
- Ashmin Holding LLC
- Gunther H H von Gynz-Rekowski
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
UP DRILL APPARATUS AND METHOD
- Publication number 20180252040
- Publication date Sep 6, 2018
- Ashmin Holding LLC
- Gunther HH von Gynz-Rekowski
- E21 - EARTH DRILLING MINING
Information Patent Application
UP DRILL APPARATUS AND METHOD
- Publication number 20160108677
- Publication date Apr 21, 2016
- Ashmin LC
- Gunther HH von Gynz-Rekowski
- E21 - EARTH DRILLING MINING