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To: Dave who wrote (11406)6/12/1998 2:13:00 PM
From: rhet0ric  Read Replies (1) | Respond to of 152472
 
However, there are many inventors who see a patent and think up an unobvious modification.

Does inventing an "unobvious modification" release that inventor from the original patent restrictions? Or, what effect does that have on the validity of the original patent, if any?

rhet0ric