Sprint came up with the Sprint logo when they were redesigning the company's corporate image. They purchased Nextel Communications and updated their logo to reflect that.
Checkout the related link to see an image of Sprint logo.
The Sprint logo consists of the word 'Sprint' and a yellow design. The colours are black, grey, white and yellow in the logo and writing. Visit their official webpage.
The current sprint logo is a blend of the original sprint and nextel logo's. The company hired a marketing firm to develop this, therefore no one person is attributed with it.
Nascar has a separate logo from Sprint. The two logos do combine with Sprint is sponsoring a race but other than that they are two very different logos.
What "are" sprint phones? Sprint is a phone company like T-Mobile or AT&T the phones that they use have the sprint logo on them.
I don't know that it is indicated anywhere specifically what the cost of the Sprint logo was to produce. There are different logos in existence over the years as well.
The best site I could come up was "free logo services". They are free and actually help you come up with a logo which is less hassle for you in the long run.
Images of the Sprint logo can be found on Sprint products. One can also be found at the Sprint website in the upper corner, which can be saved as an image file.
They flew the coop!
If you search Google images for "London 2012 logo" it will come up with photos.
c's back to back
Google it and it should come up...