Stein Narvestad A.S.

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Oslo, NO

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Patents Grantslast 30 patents

Information Patent Grant
Ring clamp for a cutter ring in a tunnel drilling machine
- Patent number 5,341,889
- Issue date Aug 30, 1994
- Stein Narvestad A.S.
- Stein Narvestad
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CUTTER FOR SHAFT AND/OR TUNNEL BORING
- Publication number 20150028657
- Publication date Jan 29, 2015
- Stein Narvestad AS
- Stein Narvestad
- E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks

Information Trademark
76170105 - SPLIT RING
- Serial number 76170105
- Registration number 2861875
- Filing date Nov 22, 2000
- STEIN NARVESTAD A.S.
- 6 - Common metals and their alloys
Information Trademark
76170104 - SPLIT-RING
- Serial number 76170104
- Registration number 2861696
- Filing date Nov 22, 2000
- STEIN NARVESTAD A.S.
- 6 - Common metals and their alloys
Information Trademark
75141178 - SPLIT RING
- Serial number 75141178
- Filing date Jul 24, 1996
- STEIN NARVESTAD A.S.
- 7 - Machines and machine tools