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Article: German Inventor Develops Chainsaw Chain
- Article from:
- US Fed News Service, Including US State News
- Article date:
- October 16, 2008
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ALEXANDRIA, Va., Oct. 16 -- Rolf Lehmann of Hamburg, Germany, has developed a chainsaw chain of concrete.
According to the abstract released by the U.S. Patent & Trademark Office: "The invention relates to a chainsaw chain, especially for use in cutting concrete, comprising a plurality of teeth which are respectively provided with at least one cutting segment carrier and at least one cutting segment. The cutting segment comprises diamond punches which are melted into a binding material in such a way that they are embedded therein."
The inventor was issued U.S. Patent No. 7,434,575 on Oct. 14.
The patent has been assigned to Dolmar GmbH, Hamburg.
The original ...