Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

 
 
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Default OT-Patents

Old patent numbers can get you in deep dodo.

http://online.wsj.com/article/SB1000...googlenews_wsj

Best Regards
Tom.

 
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