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1981-10-27 |
Sandvik Aktiebolag |
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1983-03-23 |
1992-11-10 |
Santrade Limited |
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1983-04-05 |
1989-08-14 |
Sandvik Ab |
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1983-12-19 |
1985-06-20 |
Santrade Ltd |
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1986-08-22 |
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1986-10-28 |
1988-01-05 |
Kennametal Inc. |
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Smith International, Inc. |
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1994-10-12 |
1998-03-30 |
Sandvik Ab |
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1994-10-12 |
1999-01-11 |
Sandvik Ab |
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1997-09-23 |
Sandvik Ab |
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1999-11-25 |
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2000-03-29 |
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Techmo Entwicklungs- Und Vertriebs Gmbh |
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2004-06-01 |
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2004-10-05 |
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Sandvik Intellectual Property |
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2008-03-11 |
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2010-03-23 |
Us Synthetic Corporation |
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2007-03-09 |
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2009-03-20 |
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2014-07-03 |
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2013-05-03 |
2014-11-05 |
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2018-10-16 |
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2013-10-28 |
2016-01-20 |
Sandvik Intellectual Property AB |
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2014-01-31 |
2017-04-12 |
Sandvik Intellectual Property AB |
Percussive rock drill bit with flushing grooves
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