Eero Kumanto

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Linnavuori, FI

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Patents Grantslast 30 patents

Information Patent Grant
Push-button arrangement and push-button
- Patent number 7,642,476
- Issue date Jan 5, 2010
- Sandvik Mining and Construction Oy
- Isto Virtanen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Part of a user interface of a drilling machine
- Patent number D553578
- Issue date Oct 23, 2007
- Sandvik Tamrock Oy
- Isto Virtanen
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Part of a user interface of a drilling machine
- Patent number D553582
- Issue date Oct 23, 2007
- Sandvik Tamrock Oy
- Isto Virtanen
- D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

Information Patent Application
PUSH-BUTTON ARRANGEMENT AND PUSH-BUTTON
- Publication number 20090183975
- Publication date Jul 23, 2009
- SANDVIK MINING AND CONSTRUCTION OY
- Isto Virtanen
- H01 - BASIC ELECTRIC ELEMENTS