OP wrote:Can I change the name of the DLL, leaving obviously the original copyright, patent, trademark, and attribution notices that may appear in the Assembly Infos?
Why do you want change the name of dll? Probably you need to ask the author of the dll for that.
OP wrote:You write "You may distribute the Executable Files and Source Code only under the terms of this License".... but a DLL IS NOT an executable file and IS NOT a source file: what must I add in my software distribution about the DLL itself?
AFAIK dll also considered as executables(binary)
The Code Project Open License (CPOL) 1.02