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Frank Lenz
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Berlin, DE
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last 30 patents
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Patent Grant
Hammer drill
Patent number
D521337
Issue date
May 23, 2006
One World Technologies Limited
Benson Chun Kit Cheung
D08 - Tools and hardware
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Patent Grant
Drill
Patent number
D501385
Issue date
Feb 1, 2005
One World Technologies Limited
Benson Chun Kit Cheung
D08 - Tools and hardware