When you redesign a logo, look to these examples as object lessons. Learn to emulate the positives and avoid the horrible missteps that “redesigners” have already made.
See also: Top 10 Best (and Worst) Company Logo Redesigns Ever.
See more at: http://www.companyfolders.com/blog/best-worst-logo-redesigns-ever#sthash.FBf94wi9.dpuf