Peter K. Krahn

Follow

Person

North Vancover, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Percussive driving apparatus for environmental sampling or test device
- Patent number 8,881,609
- Issue date Nov 11, 2014
- Her Majesty the Queen in right of Canada, as represented by the Minister of E...
- Peter K. Krahn
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PERCUSSIVE DRIVING APPARATUS FOR ENVIRONMENTAL SAMPLING OR TEST DEVICE
- Publication number 20110198125
- Publication date Aug 18, 2011
- HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF E...
- Peter K. Krahn
- E21 - EARTH DRILLING MINING